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1 <HTML>
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2 <BODY BGCOLOR="white">
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3 <PRE>
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4 <FONT color="green">001</FONT> /*<a name="line.1"></a>
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5 <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
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6 <FONT color="green">003</FONT> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a>
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7 <FONT color="green">004</FONT> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
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8 <FONT color="green">005</FONT> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
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9 <FONT color="green">006</FONT> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
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10 <FONT color="green">007</FONT> * the License. You may obtain a copy of the License at<a name="line.7"></a>
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11 <FONT color="green">008</FONT> *<a name="line.8"></a>
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12 <FONT color="green">009</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
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13 <FONT color="green">010</FONT> *<a name="line.10"></a>
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14 <FONT color="green">011</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
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15 <FONT color="green">012</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
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16 <FONT color="green">013</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
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17 <FONT color="green">014</FONT> * See the License for the specific language governing permissions and<a name="line.14"></a>
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18 <FONT color="green">015</FONT> * limitations under the License.<a name="line.15"></a>
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19 <FONT color="green">016</FONT> */<a name="line.16"></a>
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20 <FONT color="green">017</FONT> package org.apache.commons.math.stat;<a name="line.17"></a>
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21 <FONT color="green">018</FONT> <a name="line.18"></a>
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22 <FONT color="green">019</FONT> import java.io.Serializable;<a name="line.19"></a>
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23 <FONT color="green">020</FONT> import java.text.NumberFormat;<a name="line.20"></a>
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24 <FONT color="green">021</FONT> import java.util.Iterator;<a name="line.21"></a>
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25 <FONT color="green">022</FONT> import java.util.Comparator;<a name="line.22"></a>
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26 <FONT color="green">023</FONT> import java.util.TreeMap;<a name="line.23"></a>
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27 <FONT color="green">024</FONT> <a name="line.24"></a>
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28 <FONT color="green">025</FONT> import org.apache.commons.math.MathRuntimeException;<a name="line.25"></a>
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29 <FONT color="green">026</FONT> <a name="line.26"></a>
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30 <FONT color="green">027</FONT> /**<a name="line.27"></a>
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31 <FONT color="green">028</FONT> * Maintains a frequency distribution.<a name="line.28"></a>
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32 <FONT color="green">029</FONT> * <p><a name="line.29"></a>
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33 <FONT color="green">030</FONT> * Accepts int, long, char or Comparable values. New values added must be<a name="line.30"></a>
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34 <FONT color="green">031</FONT> * comparable to those that have been added, otherwise the add method will<a name="line.31"></a>
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35 <FONT color="green">032</FONT> * throw an IllegalArgumentException.</p><a name="line.32"></a>
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36 <FONT color="green">033</FONT> * <p><a name="line.33"></a>
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37 <FONT color="green">034</FONT> * Integer values (int, long, Integer, Long) are not distinguished by type --<a name="line.34"></a>
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38 <FONT color="green">035</FONT> * i.e. <code>addValue(Long.valueOf(2)), addValue(2), addValue(2l)</code> all have<a name="line.35"></a>
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39 <FONT color="green">036</FONT> * the same effect (similarly for arguments to <code>getCount,</code> etc.).</p><a name="line.36"></a>
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40 <FONT color="green">037</FONT> * <p><a name="line.37"></a>
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41 <FONT color="green">038</FONT> * char values are converted by <code>addValue</code> to Character instances.<a name="line.38"></a>
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42 <FONT color="green">039</FONT> * As such, these values are not comparable to integral values, so attempts<a name="line.39"></a>
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43 <FONT color="green">040</FONT> * to combine integral types with chars in a frequency distribution will fail.<a name="line.40"></a>
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44 <FONT color="green">041</FONT> * </p><a name="line.41"></a>
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45 <FONT color="green">042</FONT> * <p><a name="line.42"></a>
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46 <FONT color="green">043</FONT> * The values are ordered using the default (natural order), unless a<a name="line.43"></a>
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47 <FONT color="green">044</FONT> * <code>Comparator</code> is supplied in the constructor.</p><a name="line.44"></a>
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48 <FONT color="green">045</FONT> *<a name="line.45"></a>
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49 <FONT color="green">046</FONT> * @version $Revision: 922722 $ $Date: 2010-03-13 21:15:01 -0500 (Sat, 13 Mar 2010) $<a name="line.46"></a>
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50 <FONT color="green">047</FONT> */<a name="line.47"></a>
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51 <FONT color="green">048</FONT> public class Frequency implements Serializable {<a name="line.48"></a>
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52 <FONT color="green">049</FONT> <a name="line.49"></a>
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53 <FONT color="green">050</FONT> /** Serializable version identifier */<a name="line.50"></a>
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54 <FONT color="green">051</FONT> private static final long serialVersionUID = -3845586908418844111L;<a name="line.51"></a>
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55 <FONT color="green">052</FONT> <a name="line.52"></a>
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56 <FONT color="green">053</FONT> /** underlying collection */<a name="line.53"></a>
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57 <FONT color="green">054</FONT> private final TreeMap<Comparable<?>, Long> freqTable;<a name="line.54"></a>
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58 <FONT color="green">055</FONT> <a name="line.55"></a>
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59 <FONT color="green">056</FONT> /**<a name="line.56"></a>
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60 <FONT color="green">057</FONT> * Default constructor.<a name="line.57"></a>
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61 <FONT color="green">058</FONT> */<a name="line.58"></a>
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62 <FONT color="green">059</FONT> public Frequency() {<a name="line.59"></a>
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63 <FONT color="green">060</FONT> freqTable = new TreeMap<Comparable<?>, Long>();<a name="line.60"></a>
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64 <FONT color="green">061</FONT> }<a name="line.61"></a>
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65 <FONT color="green">062</FONT> <a name="line.62"></a>
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66 <FONT color="green">063</FONT> /**<a name="line.63"></a>
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67 <FONT color="green">064</FONT> * Constructor allowing values Comparator to be specified.<a name="line.64"></a>
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68 <FONT color="green">065</FONT> *<a name="line.65"></a>
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69 <FONT color="green">066</FONT> * @param comparator Comparator used to order values<a name="line.66"></a>
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70 <FONT color="green">067</FONT> */<a name="line.67"></a>
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71 <FONT color="green">068</FONT> @SuppressWarnings("unchecked") // TODO is the cast OK?<a name="line.68"></a>
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72 <FONT color="green">069</FONT> public Frequency(Comparator<?> comparator) {<a name="line.69"></a>
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73 <FONT color="green">070</FONT> freqTable = new TreeMap<Comparable<?>, Long>((Comparator<? super Comparable<?>>) comparator);<a name="line.70"></a>
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74 <FONT color="green">071</FONT> }<a name="line.71"></a>
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75 <FONT color="green">072</FONT> <a name="line.72"></a>
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76 <FONT color="green">073</FONT> /**<a name="line.73"></a>
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77 <FONT color="green">074</FONT> * Return a string representation of this frequency<a name="line.74"></a>
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78 <FONT color="green">075</FONT> * distribution.<a name="line.75"></a>
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79 <FONT color="green">076</FONT> *<a name="line.76"></a>
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80 <FONT color="green">077</FONT> * @return a string representation.<a name="line.77"></a>
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81 <FONT color="green">078</FONT> */<a name="line.78"></a>
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82 <FONT color="green">079</FONT> @Override<a name="line.79"></a>
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83 <FONT color="green">080</FONT> public String toString() {<a name="line.80"></a>
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84 <FONT color="green">081</FONT> NumberFormat nf = NumberFormat.getPercentInstance();<a name="line.81"></a>
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85 <FONT color="green">082</FONT> StringBuffer outBuffer = new StringBuffer();<a name="line.82"></a>
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86 <FONT color="green">083</FONT> outBuffer.append("Value \t Freq. \t Pct. \t Cum Pct. \n");<a name="line.83"></a>
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87 <FONT color="green">084</FONT> Iterator<Comparable<?>> iter = freqTable.keySet().iterator();<a name="line.84"></a>
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88 <FONT color="green">085</FONT> while (iter.hasNext()) {<a name="line.85"></a>
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89 <FONT color="green">086</FONT> Comparable<?> value = iter.next();<a name="line.86"></a>
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90 <FONT color="green">087</FONT> outBuffer.append(value);<a name="line.87"></a>
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91 <FONT color="green">088</FONT> outBuffer.append('\t');<a name="line.88"></a>
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92 <FONT color="green">089</FONT> outBuffer.append(getCount(value));<a name="line.89"></a>
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93 <FONT color="green">090</FONT> outBuffer.append('\t');<a name="line.90"></a>
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94 <FONT color="green">091</FONT> outBuffer.append(nf.format(getPct(value)));<a name="line.91"></a>
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95 <FONT color="green">092</FONT> outBuffer.append('\t');<a name="line.92"></a>
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96 <FONT color="green">093</FONT> outBuffer.append(nf.format(getCumPct(value)));<a name="line.93"></a>
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97 <FONT color="green">094</FONT> outBuffer.append('\n');<a name="line.94"></a>
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98 <FONT color="green">095</FONT> }<a name="line.95"></a>
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99 <FONT color="green">096</FONT> return outBuffer.toString();<a name="line.96"></a>
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100 <FONT color="green">097</FONT> }<a name="line.97"></a>
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101 <FONT color="green">098</FONT> <a name="line.98"></a>
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102 <FONT color="green">099</FONT> /**<a name="line.99"></a>
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103 <FONT color="green">100</FONT> * Adds 1 to the frequency count for v.<a name="line.100"></a>
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104 <FONT color="green">101</FONT> * <p><a name="line.101"></a>
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105 <FONT color="green">102</FONT> * If other objects have already been added to this Frequency, v must<a name="line.102"></a>
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106 <FONT color="green">103</FONT> * be comparable to those that have already been added.<a name="line.103"></a>
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107 <FONT color="green">104</FONT> * </p><a name="line.104"></a>
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108 <FONT color="green">105</FONT> *<a name="line.105"></a>
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109 <FONT color="green">106</FONT> * @param v the value to add.<a name="line.106"></a>
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110 <FONT color="green">107</FONT> * @throws IllegalArgumentException if <code>v</code> is not Comparable,<a name="line.107"></a>
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111 <FONT color="green">108</FONT> * or is not comparable with previous entries<a name="line.108"></a>
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112 <FONT color="green">109</FONT> * @deprecated use {@link #addValue(Comparable)} instead<a name="line.109"></a>
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113 <FONT color="green">110</FONT> */<a name="line.110"></a>
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114 <FONT color="green">111</FONT> @Deprecated<a name="line.111"></a>
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115 <FONT color="green">112</FONT> public void addValue(Object v) {<a name="line.112"></a>
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116 <FONT color="green">113</FONT> if (v instanceof Comparable<?>){<a name="line.113"></a>
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117 <FONT color="green">114</FONT> addValue((Comparable<?>) v);<a name="line.114"></a>
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118 <FONT color="green">115</FONT> } else {<a name="line.115"></a>
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119 <FONT color="green">116</FONT> throw MathRuntimeException.createIllegalArgumentException(<a name="line.116"></a>
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120 <FONT color="green">117</FONT> "class ({0}) does not implement Comparable",<a name="line.117"></a>
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121 <FONT color="green">118</FONT> v.getClass().getName());<a name="line.118"></a>
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122 <FONT color="green">119</FONT> }<a name="line.119"></a>
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123 <FONT color="green">120</FONT> }<a name="line.120"></a>
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124 <FONT color="green">121</FONT> <a name="line.121"></a>
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125 <FONT color="green">122</FONT> /**<a name="line.122"></a>
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126 <FONT color="green">123</FONT> * Adds 1 to the frequency count for v.<a name="line.123"></a>
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127 <FONT color="green">124</FONT> * <p><a name="line.124"></a>
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128 <FONT color="green">125</FONT> * If other objects have already been added to this Frequency, v must<a name="line.125"></a>
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129 <FONT color="green">126</FONT> * be comparable to those that have already been added.<a name="line.126"></a>
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130 <FONT color="green">127</FONT> * </p><a name="line.127"></a>
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131 <FONT color="green">128</FONT> *<a name="line.128"></a>
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132 <FONT color="green">129</FONT> * @param v the value to add.<a name="line.129"></a>
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133 <FONT color="green">130</FONT> * @throws IllegalArgumentException if <code>v</code> is not comparable with previous entries<a name="line.130"></a>
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134 <FONT color="green">131</FONT> */<a name="line.131"></a>
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135 <FONT color="green">132</FONT> public void addValue(Comparable<?> v){<a name="line.132"></a>
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136 <FONT color="green">133</FONT> Comparable<?> obj = v;<a name="line.133"></a>
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137 <FONT color="green">134</FONT> if (v instanceof Integer) {<a name="line.134"></a>
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138 <FONT color="green">135</FONT> obj = Long.valueOf(((Integer) v).longValue());<a name="line.135"></a>
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139 <FONT color="green">136</FONT> }<a name="line.136"></a>
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140 <FONT color="green">137</FONT> try {<a name="line.137"></a>
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141 <FONT color="green">138</FONT> Long count = freqTable.get(obj);<a name="line.138"></a>
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142 <FONT color="green">139</FONT> if (count == null) {<a name="line.139"></a>
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143 <FONT color="green">140</FONT> freqTable.put(obj, Long.valueOf(1));<a name="line.140"></a>
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144 <FONT color="green">141</FONT> } else {<a name="line.141"></a>
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145 <FONT color="green">142</FONT> freqTable.put(obj, Long.valueOf(count.longValue() + 1));<a name="line.142"></a>
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146 <FONT color="green">143</FONT> }<a name="line.143"></a>
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147 <FONT color="green">144</FONT> } catch (ClassCastException ex) {<a name="line.144"></a>
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148 <FONT color="green">145</FONT> //TreeMap will throw ClassCastException if v is not comparable<a name="line.145"></a>
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149 <FONT color="green">146</FONT> throw MathRuntimeException.createIllegalArgumentException(<a name="line.146"></a>
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150 <FONT color="green">147</FONT> "instance of class {0} not comparable to existing values",<a name="line.147"></a>
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151 <FONT color="green">148</FONT> v.getClass().getName());<a name="line.148"></a>
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152 <FONT color="green">149</FONT> }<a name="line.149"></a>
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153 <FONT color="green">150</FONT> }<a name="line.150"></a>
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154 <FONT color="green">151</FONT> <a name="line.151"></a>
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155 <FONT color="green">152</FONT> /**<a name="line.152"></a>
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156 <FONT color="green">153</FONT> * Adds 1 to the frequency count for v.<a name="line.153"></a>
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157 <FONT color="green">154</FONT> *<a name="line.154"></a>
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158 <FONT color="green">155</FONT> * @param v the value to add.<a name="line.155"></a>
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159 <FONT color="green">156</FONT> */<a name="line.156"></a>
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160 <FONT color="green">157</FONT> public void addValue(int v) {<a name="line.157"></a>
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161 <FONT color="green">158</FONT> addValue(Long.valueOf(v));<a name="line.158"></a>
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162 <FONT color="green">159</FONT> }<a name="line.159"></a>
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163 <FONT color="green">160</FONT> <a name="line.160"></a>
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164 <FONT color="green">161</FONT> /**<a name="line.161"></a>
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165 <FONT color="green">162</FONT> * Adds 1 to the frequency count for v.<a name="line.162"></a>
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166 <FONT color="green">163</FONT> *<a name="line.163"></a>
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167 <FONT color="green">164</FONT> * @param v the value to add.<a name="line.164"></a>
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168 <FONT color="green">165</FONT> * @deprecated to be removed in math 3.0<a name="line.165"></a>
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169 <FONT color="green">166</FONT> */<a name="line.166"></a>
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170 <FONT color="green">167</FONT> @Deprecated<a name="line.167"></a>
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171 <FONT color="green">168</FONT> public void addValue(Integer v) {<a name="line.168"></a>
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172 <FONT color="green">169</FONT> addValue(Long.valueOf(v.longValue()));<a name="line.169"></a>
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173 <FONT color="green">170</FONT> }<a name="line.170"></a>
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174 <FONT color="green">171</FONT> <a name="line.171"></a>
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175 <FONT color="green">172</FONT> /**<a name="line.172"></a>
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176 <FONT color="green">173</FONT> * Adds 1 to the frequency count for v.<a name="line.173"></a>
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177 <FONT color="green">174</FONT> *<a name="line.174"></a>
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178 <FONT color="green">175</FONT> * @param v the value to add.<a name="line.175"></a>
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179 <FONT color="green">176</FONT> */<a name="line.176"></a>
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180 <FONT color="green">177</FONT> public void addValue(long v) {<a name="line.177"></a>
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181 <FONT color="green">178</FONT> addValue(Long.valueOf(v));<a name="line.178"></a>
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182 <FONT color="green">179</FONT> }<a name="line.179"></a>
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183 <FONT color="green">180</FONT> <a name="line.180"></a>
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184 <FONT color="green">181</FONT> /**<a name="line.181"></a>
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185 <FONT color="green">182</FONT> * Adds 1 to the frequency count for v.<a name="line.182"></a>
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186 <FONT color="green">183</FONT> *<a name="line.183"></a>
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187 <FONT color="green">184</FONT> * @param v the value to add.<a name="line.184"></a>
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188 <FONT color="green">185</FONT> */<a name="line.185"></a>
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189 <FONT color="green">186</FONT> public void addValue(char v) {<a name="line.186"></a>
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190 <FONT color="green">187</FONT> addValue(Character.valueOf(v));<a name="line.187"></a>
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191 <FONT color="green">188</FONT> }<a name="line.188"></a>
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192 <FONT color="green">189</FONT> <a name="line.189"></a>
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193 <FONT color="green">190</FONT> /** Clears the frequency table */<a name="line.190"></a>
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194 <FONT color="green">191</FONT> public void clear() {<a name="line.191"></a>
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195 <FONT color="green">192</FONT> freqTable.clear();<a name="line.192"></a>
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196 <FONT color="green">193</FONT> }<a name="line.193"></a>
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197 <FONT color="green">194</FONT> <a name="line.194"></a>
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198 <FONT color="green">195</FONT> /**<a name="line.195"></a>
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199 <FONT color="green">196</FONT> * Returns an Iterator over the set of values that have been added.<a name="line.196"></a>
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200 <FONT color="green">197</FONT> * <p><a name="line.197"></a>
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201 <FONT color="green">198</FONT> * If added values are integral (i.e., integers, longs, Integers, or Longs),<a name="line.198"></a>
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202 <FONT color="green">199</FONT> * they are converted to Longs when they are added, so the objects returned<a name="line.199"></a>
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203 <FONT color="green">200</FONT> * by the Iterator will in this case be Longs.</p><a name="line.200"></a>
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204 <FONT color="green">201</FONT> *<a name="line.201"></a>
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205 <FONT color="green">202</FONT> * @return values Iterator<a name="line.202"></a>
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206 <FONT color="green">203</FONT> */<a name="line.203"></a>
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207 <FONT color="green">204</FONT> public Iterator<Comparable<?>> valuesIterator() {<a name="line.204"></a>
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208 <FONT color="green">205</FONT> return freqTable.keySet().iterator();<a name="line.205"></a>
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209 <FONT color="green">206</FONT> }<a name="line.206"></a>
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210 <FONT color="green">207</FONT> <a name="line.207"></a>
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211 <FONT color="green">208</FONT> //-------------------------------------------------------------------------<a name="line.208"></a>
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212 <FONT color="green">209</FONT> <a name="line.209"></a>
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213 <FONT color="green">210</FONT> /**<a name="line.210"></a>
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214 <FONT color="green">211</FONT> * Returns the sum of all frequencies.<a name="line.211"></a>
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215 <FONT color="green">212</FONT> *<a name="line.212"></a>
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216 <FONT color="green">213</FONT> * @return the total frequency count.<a name="line.213"></a>
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217 <FONT color="green">214</FONT> */<a name="line.214"></a>
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218 <FONT color="green">215</FONT> public long getSumFreq() {<a name="line.215"></a>
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219 <FONT color="green">216</FONT> long result = 0;<a name="line.216"></a>
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220 <FONT color="green">217</FONT> Iterator<Long> iterator = freqTable.values().iterator();<a name="line.217"></a>
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221 <FONT color="green">218</FONT> while (iterator.hasNext()) {<a name="line.218"></a>
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222 <FONT color="green">219</FONT> result += iterator.next().longValue();<a name="line.219"></a>
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223 <FONT color="green">220</FONT> }<a name="line.220"></a>
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224 <FONT color="green">221</FONT> return result;<a name="line.221"></a>
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225 <FONT color="green">222</FONT> }<a name="line.222"></a>
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226 <FONT color="green">223</FONT> <a name="line.223"></a>
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227 <FONT color="green">224</FONT> /**<a name="line.224"></a>
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228 <FONT color="green">225</FONT> * Returns the number of values = v.<a name="line.225"></a>
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229 <FONT color="green">226</FONT> * Returns 0 if the value is not comparable.<a name="line.226"></a>
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230 <FONT color="green">227</FONT> *<a name="line.227"></a>
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231 <FONT color="green">228</FONT> * @param v the value to lookup.<a name="line.228"></a>
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232 <FONT color="green">229</FONT> * @return the frequency of v.<a name="line.229"></a>
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233 <FONT color="green">230</FONT> * @deprecated replaced by {@link #getCount(Comparable)} as of 2.0<a name="line.230"></a>
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234 <FONT color="green">231</FONT> */<a name="line.231"></a>
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235 <FONT color="green">232</FONT> @Deprecated<a name="line.232"></a>
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236 <FONT color="green">233</FONT> public long getCount(Object v) {<a name="line.233"></a>
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237 <FONT color="green">234</FONT> return getCount((Comparable<?>) v);<a name="line.234"></a>
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238 <FONT color="green">235</FONT> }<a name="line.235"></a>
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239 <FONT color="green">236</FONT> <a name="line.236"></a>
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240 <FONT color="green">237</FONT> /**<a name="line.237"></a>
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241 <FONT color="green">238</FONT> * Returns the number of values = v.<a name="line.238"></a>
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242 <FONT color="green">239</FONT> * Returns 0 if the value is not comparable.<a name="line.239"></a>
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243 <FONT color="green">240</FONT> *<a name="line.240"></a>
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244 <FONT color="green">241</FONT> * @param v the value to lookup.<a name="line.241"></a>
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245 <FONT color="green">242</FONT> * @return the frequency of v.<a name="line.242"></a>
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246 <FONT color="green">243</FONT> */<a name="line.243"></a>
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247 <FONT color="green">244</FONT> public long getCount(Comparable<?> v) {<a name="line.244"></a>
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248 <FONT color="green">245</FONT> if (v instanceof Integer) {<a name="line.245"></a>
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249 <FONT color="green">246</FONT> return getCount(((Integer) v).longValue());<a name="line.246"></a>
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250 <FONT color="green">247</FONT> }<a name="line.247"></a>
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251 <FONT color="green">248</FONT> long result = 0;<a name="line.248"></a>
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252 <FONT color="green">249</FONT> try {<a name="line.249"></a>
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253 <FONT color="green">250</FONT> Long count = freqTable.get(v);<a name="line.250"></a>
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254 <FONT color="green">251</FONT> if (count != null) {<a name="line.251"></a>
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255 <FONT color="green">252</FONT> result = count.longValue();<a name="line.252"></a>
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256 <FONT color="green">253</FONT> }<a name="line.253"></a>
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257 <FONT color="green">254</FONT> } catch (ClassCastException ex) {<a name="line.254"></a>
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258 <FONT color="green">255</FONT> // ignore and return 0 -- ClassCastException will be thrown if value is not comparable<a name="line.255"></a>
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259 <FONT color="green">256</FONT> }<a name="line.256"></a>
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|
260 <FONT color="green">257</FONT> return result;<a name="line.257"></a>
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261 <FONT color="green">258</FONT> }<a name="line.258"></a>
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262 <FONT color="green">259</FONT> <a name="line.259"></a>
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263 <FONT color="green">260</FONT> /**<a name="line.260"></a>
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264 <FONT color="green">261</FONT> * Returns the number of values = v.<a name="line.261"></a>
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|
265 <FONT color="green">262</FONT> *<a name="line.262"></a>
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|
266 <FONT color="green">263</FONT> * @param v the value to lookup.<a name="line.263"></a>
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|
267 <FONT color="green">264</FONT> * @return the frequency of v.<a name="line.264"></a>
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268 <FONT color="green">265</FONT> */<a name="line.265"></a>
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269 <FONT color="green">266</FONT> public long getCount(int v) {<a name="line.266"></a>
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270 <FONT color="green">267</FONT> return getCount(Long.valueOf(v));<a name="line.267"></a>
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271 <FONT color="green">268</FONT> }<a name="line.268"></a>
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|
272 <FONT color="green">269</FONT> <a name="line.269"></a>
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273 <FONT color="green">270</FONT> /**<a name="line.270"></a>
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|
274 <FONT color="green">271</FONT> * Returns the number of values = v.<a name="line.271"></a>
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|
275 <FONT color="green">272</FONT> *<a name="line.272"></a>
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|
276 <FONT color="green">273</FONT> * @param v the value to lookup.<a name="line.273"></a>
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|
277 <FONT color="green">274</FONT> * @return the frequency of v.<a name="line.274"></a>
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|
278 <FONT color="green">275</FONT> */<a name="line.275"></a>
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|
279 <FONT color="green">276</FONT> public long getCount(long v) {<a name="line.276"></a>
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|
280 <FONT color="green">277</FONT> return getCount(Long.valueOf(v));<a name="line.277"></a>
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281 <FONT color="green">278</FONT> }<a name="line.278"></a>
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|
282 <FONT color="green">279</FONT> <a name="line.279"></a>
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|
283 <FONT color="green">280</FONT> /**<a name="line.280"></a>
|
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|
284 <FONT color="green">281</FONT> * Returns the number of values = v.<a name="line.281"></a>
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|
285 <FONT color="green">282</FONT> *<a name="line.282"></a>
|
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|
286 <FONT color="green">283</FONT> * @param v the value to lookup.<a name="line.283"></a>
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|
287 <FONT color="green">284</FONT> * @return the frequency of v.<a name="line.284"></a>
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|
288 <FONT color="green">285</FONT> */<a name="line.285"></a>
|
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|
289 <FONT color="green">286</FONT> public long getCount(char v) {<a name="line.286"></a>
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|
290 <FONT color="green">287</FONT> return getCount(Character.valueOf(v));<a name="line.287"></a>
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|
291 <FONT color="green">288</FONT> }<a name="line.288"></a>
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|
292 <FONT color="green">289</FONT> <a name="line.289"></a>
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|
293 <FONT color="green">290</FONT> //-------------------------------------------------------------<a name="line.290"></a>
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|
294 <FONT color="green">291</FONT> <a name="line.291"></a>
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|
295 <FONT color="green">292</FONT> /**<a name="line.292"></a>
|
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|
296 <FONT color="green">293</FONT> * Returns the percentage of values that are equal to v<a name="line.293"></a>
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|
297 <FONT color="green">294</FONT> * (as a proportion between 0 and 1).<a name="line.294"></a>
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|
298 <FONT color="green">295</FONT> * <p><a name="line.295"></a>
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|
299 <FONT color="green">296</FONT> * Returns <code>Double.NaN</code> if no values have been added.</p><a name="line.296"></a>
|
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|
300 <FONT color="green">297</FONT> *<a name="line.297"></a>
|
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|
301 <FONT color="green">298</FONT> * @param v the value to lookup<a name="line.298"></a>
|
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|
302 <FONT color="green">299</FONT> * @return the proportion of values equal to v<a name="line.299"></a>
|
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|
303 <FONT color="green">300</FONT> * @deprecated replaced by {@link #getPct(Comparable)} as of 2.0<a name="line.300"></a>
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|
|
304 <FONT color="green">301</FONT> */<a name="line.301"></a>
|
|
|
305 <FONT color="green">302</FONT> @Deprecated<a name="line.302"></a>
|
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|
306 <FONT color="green">303</FONT> public double getPct(Object v) {<a name="line.303"></a>
|
|
|
307 <FONT color="green">304</FONT> return getPct((Comparable<?>) v);<a name="line.304"></a>
|
|
|
308 <FONT color="green">305</FONT> }<a name="line.305"></a>
|
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|
309 <FONT color="green">306</FONT> <a name="line.306"></a>
|
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|
310 <FONT color="green">307</FONT> /**<a name="line.307"></a>
|
|
|
311 <FONT color="green">308</FONT> * Returns the percentage of values that are equal to v<a name="line.308"></a>
|
|
|
312 <FONT color="green">309</FONT> * (as a proportion between 0 and 1).<a name="line.309"></a>
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|
|
313 <FONT color="green">310</FONT> * <p><a name="line.310"></a>
|
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|
314 <FONT color="green">311</FONT> * Returns <code>Double.NaN</code> if no values have been added.</p><a name="line.311"></a>
|
|
|
315 <FONT color="green">312</FONT> *<a name="line.312"></a>
|
|
|
316 <FONT color="green">313</FONT> * @param v the value to lookup<a name="line.313"></a>
|
|
|
317 <FONT color="green">314</FONT> * @return the proportion of values equal to v<a name="line.314"></a>
|
|
|
318 <FONT color="green">315</FONT> */<a name="line.315"></a>
|
|
|
319 <FONT color="green">316</FONT> public double getPct(Comparable<?> v) {<a name="line.316"></a>
|
|
|
320 <FONT color="green">317</FONT> final long sumFreq = getSumFreq();<a name="line.317"></a>
|
|
|
321 <FONT color="green">318</FONT> if (sumFreq == 0) {<a name="line.318"></a>
|
|
|
322 <FONT color="green">319</FONT> return Double.NaN;<a name="line.319"></a>
|
|
|
323 <FONT color="green">320</FONT> }<a name="line.320"></a>
|
|
|
324 <FONT color="green">321</FONT> return (double) getCount(v) / (double) sumFreq;<a name="line.321"></a>
|
|
|
325 <FONT color="green">322</FONT> }<a name="line.322"></a>
|
|
|
326 <FONT color="green">323</FONT> <a name="line.323"></a>
|
|
|
327 <FONT color="green">324</FONT> /**<a name="line.324"></a>
|
|
|
328 <FONT color="green">325</FONT> * Returns the percentage of values that are equal to v<a name="line.325"></a>
|
|
|
329 <FONT color="green">326</FONT> * (as a proportion between 0 and 1).<a name="line.326"></a>
|
|
|
330 <FONT color="green">327</FONT> *<a name="line.327"></a>
|
|
|
331 <FONT color="green">328</FONT> * @param v the value to lookup<a name="line.328"></a>
|
|
|
332 <FONT color="green">329</FONT> * @return the proportion of values equal to v<a name="line.329"></a>
|
|
|
333 <FONT color="green">330</FONT> */<a name="line.330"></a>
|
|
|
334 <FONT color="green">331</FONT> public double getPct(int v) {<a name="line.331"></a>
|
|
|
335 <FONT color="green">332</FONT> return getPct(Long.valueOf(v));<a name="line.332"></a>
|
|
|
336 <FONT color="green">333</FONT> }<a name="line.333"></a>
|
|
|
337 <FONT color="green">334</FONT> <a name="line.334"></a>
|
|
|
338 <FONT color="green">335</FONT> /**<a name="line.335"></a>
|
|
|
339 <FONT color="green">336</FONT> * Returns the percentage of values that are equal to v<a name="line.336"></a>
|
|
|
340 <FONT color="green">337</FONT> * (as a proportion between 0 and 1).<a name="line.337"></a>
|
|
|
341 <FONT color="green">338</FONT> *<a name="line.338"></a>
|
|
|
342 <FONT color="green">339</FONT> * @param v the value to lookup<a name="line.339"></a>
|
|
|
343 <FONT color="green">340</FONT> * @return the proportion of values equal to v<a name="line.340"></a>
|
|
|
344 <FONT color="green">341</FONT> */<a name="line.341"></a>
|
|
|
345 <FONT color="green">342</FONT> public double getPct(long v) {<a name="line.342"></a>
|
|
|
346 <FONT color="green">343</FONT> return getPct(Long.valueOf(v));<a name="line.343"></a>
|
|
|
347 <FONT color="green">344</FONT> }<a name="line.344"></a>
|
|
|
348 <FONT color="green">345</FONT> <a name="line.345"></a>
|
|
|
349 <FONT color="green">346</FONT> /**<a name="line.346"></a>
|
|
|
350 <FONT color="green">347</FONT> * Returns the percentage of values that are equal to v<a name="line.347"></a>
|
|
|
351 <FONT color="green">348</FONT> * (as a proportion between 0 and 1).<a name="line.348"></a>
|
|
|
352 <FONT color="green">349</FONT> *<a name="line.349"></a>
|
|
|
353 <FONT color="green">350</FONT> * @param v the value to lookup<a name="line.350"></a>
|
|
|
354 <FONT color="green">351</FONT> * @return the proportion of values equal to v<a name="line.351"></a>
|
|
|
355 <FONT color="green">352</FONT> */<a name="line.352"></a>
|
|
|
356 <FONT color="green">353</FONT> public double getPct(char v) {<a name="line.353"></a>
|
|
|
357 <FONT color="green">354</FONT> return getPct(Character.valueOf(v));<a name="line.354"></a>
|
|
|
358 <FONT color="green">355</FONT> }<a name="line.355"></a>
|
|
|
359 <FONT color="green">356</FONT> <a name="line.356"></a>
|
|
|
360 <FONT color="green">357</FONT> //-----------------------------------------------------------------------------------------<a name="line.357"></a>
|
|
|
361 <FONT color="green">358</FONT> <a name="line.358"></a>
|
|
|
362 <FONT color="green">359</FONT> /**<a name="line.359"></a>
|
|
|
363 <FONT color="green">360</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.360"></a>
|
|
|
364 <FONT color="green">361</FONT> * <p><a name="line.361"></a>
|
|
|
365 <FONT color="green">362</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.362"></a>
|
|
|
366 <FONT color="green">363</FONT> *<a name="line.363"></a>
|
|
|
367 <FONT color="green">364</FONT> * @param v the value to lookup.<a name="line.364"></a>
|
|
|
368 <FONT color="green">365</FONT> * @return the proportion of values equal to v<a name="line.365"></a>
|
|
|
369 <FONT color="green">366</FONT> * @deprecated replaced by {@link #getCumFreq(Comparable)} as of 2.0<a name="line.366"></a>
|
|
|
370 <FONT color="green">367</FONT> */<a name="line.367"></a>
|
|
|
371 <FONT color="green">368</FONT> @Deprecated<a name="line.368"></a>
|
|
|
372 <FONT color="green">369</FONT> public long getCumFreq(Object v) {<a name="line.369"></a>
|
|
|
373 <FONT color="green">370</FONT> return getCumFreq((Comparable<?>) v);<a name="line.370"></a>
|
|
|
374 <FONT color="green">371</FONT> }<a name="line.371"></a>
|
|
|
375 <FONT color="green">372</FONT> <a name="line.372"></a>
|
|
|
376 <FONT color="green">373</FONT> /**<a name="line.373"></a>
|
|
|
377 <FONT color="green">374</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.374"></a>
|
|
|
378 <FONT color="green">375</FONT> * <p><a name="line.375"></a>
|
|
|
379 <FONT color="green">376</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.376"></a>
|
|
|
380 <FONT color="green">377</FONT> *<a name="line.377"></a>
|
|
|
381 <FONT color="green">378</FONT> * @param v the value to lookup.<a name="line.378"></a>
|
|
|
382 <FONT color="green">379</FONT> * @return the proportion of values equal to v<a name="line.379"></a>
|
|
|
383 <FONT color="green">380</FONT> */<a name="line.380"></a>
|
|
|
384 <FONT color="green">381</FONT> public long getCumFreq(Comparable<?> v) {<a name="line.381"></a>
|
|
|
385 <FONT color="green">382</FONT> if (getSumFreq() == 0) {<a name="line.382"></a>
|
|
|
386 <FONT color="green">383</FONT> return 0;<a name="line.383"></a>
|
|
|
387 <FONT color="green">384</FONT> }<a name="line.384"></a>
|
|
|
388 <FONT color="green">385</FONT> if (v instanceof Integer) {<a name="line.385"></a>
|
|
|
389 <FONT color="green">386</FONT> return getCumFreq(((Integer) v).longValue());<a name="line.386"></a>
|
|
|
390 <FONT color="green">387</FONT> }<a name="line.387"></a>
|
|
|
391 <FONT color="green">388</FONT> @SuppressWarnings("unchecked") // OK, freqTable is Comparable<?><a name="line.388"></a>
|
|
|
392 <FONT color="green">389</FONT> Comparator<Comparable<?>> c = (Comparator<Comparable<?>>) freqTable.comparator();<a name="line.389"></a>
|
|
|
393 <FONT color="green">390</FONT> if (c == null) {<a name="line.390"></a>
|
|
|
394 <FONT color="green">391</FONT> c = new NaturalComparator();<a name="line.391"></a>
|
|
|
395 <FONT color="green">392</FONT> }<a name="line.392"></a>
|
|
|
396 <FONT color="green">393</FONT> long result = 0;<a name="line.393"></a>
|
|
|
397 <FONT color="green">394</FONT> <a name="line.394"></a>
|
|
|
398 <FONT color="green">395</FONT> try {<a name="line.395"></a>
|
|
|
399 <FONT color="green">396</FONT> Long value = freqTable.get(v);<a name="line.396"></a>
|
|
|
400 <FONT color="green">397</FONT> if (value != null) {<a name="line.397"></a>
|
|
|
401 <FONT color="green">398</FONT> result = value.longValue();<a name="line.398"></a>
|
|
|
402 <FONT color="green">399</FONT> }<a name="line.399"></a>
|
|
|
403 <FONT color="green">400</FONT> } catch (ClassCastException ex) {<a name="line.400"></a>
|
|
|
404 <FONT color="green">401</FONT> return result; // v is not comparable<a name="line.401"></a>
|
|
|
405 <FONT color="green">402</FONT> }<a name="line.402"></a>
|
|
|
406 <FONT color="green">403</FONT> <a name="line.403"></a>
|
|
|
407 <FONT color="green">404</FONT> if (c.compare(v, freqTable.firstKey()) < 0) {<a name="line.404"></a>
|
|
|
408 <FONT color="green">405</FONT> return 0; // v is comparable, but less than first value<a name="line.405"></a>
|
|
|
409 <FONT color="green">406</FONT> }<a name="line.406"></a>
|
|
|
410 <FONT color="green">407</FONT> <a name="line.407"></a>
|
|
|
411 <FONT color="green">408</FONT> if (c.compare(v, freqTable.lastKey()) >= 0) {<a name="line.408"></a>
|
|
|
412 <FONT color="green">409</FONT> return getSumFreq(); // v is comparable, but greater than the last value<a name="line.409"></a>
|
|
|
413 <FONT color="green">410</FONT> }<a name="line.410"></a>
|
|
|
414 <FONT color="green">411</FONT> <a name="line.411"></a>
|
|
|
415 <FONT color="green">412</FONT> Iterator<Comparable<?>> values = valuesIterator();<a name="line.412"></a>
|
|
|
416 <FONT color="green">413</FONT> while (values.hasNext()) {<a name="line.413"></a>
|
|
|
417 <FONT color="green">414</FONT> Comparable<?> nextValue = values.next();<a name="line.414"></a>
|
|
|
418 <FONT color="green">415</FONT> if (c.compare(v, nextValue) > 0) {<a name="line.415"></a>
|
|
|
419 <FONT color="green">416</FONT> result += getCount(nextValue);<a name="line.416"></a>
|
|
|
420 <FONT color="green">417</FONT> } else {<a name="line.417"></a>
|
|
|
421 <FONT color="green">418</FONT> return result;<a name="line.418"></a>
|
|
|
422 <FONT color="green">419</FONT> }<a name="line.419"></a>
|
|
|
423 <FONT color="green">420</FONT> }<a name="line.420"></a>
|
|
|
424 <FONT color="green">421</FONT> return result;<a name="line.421"></a>
|
|
|
425 <FONT color="green">422</FONT> }<a name="line.422"></a>
|
|
|
426 <FONT color="green">423</FONT> <a name="line.423"></a>
|
|
|
427 <FONT color="green">424</FONT> /**<a name="line.424"></a>
|
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428 <FONT color="green">425</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.425"></a>
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429 <FONT color="green">426</FONT> * <p><a name="line.426"></a>
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430 <FONT color="green">427</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.427"></a>
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431 <FONT color="green">428</FONT> *<a name="line.428"></a>
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432 <FONT color="green">429</FONT> * @param v the value to lookup<a name="line.429"></a>
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433 <FONT color="green">430</FONT> * @return the proportion of values equal to v<a name="line.430"></a>
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434 <FONT color="green">431</FONT> */<a name="line.431"></a>
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435 <FONT color="green">432</FONT> public long getCumFreq(int v) {<a name="line.432"></a>
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436 <FONT color="green">433</FONT> return getCumFreq(Long.valueOf(v));<a name="line.433"></a>
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437 <FONT color="green">434</FONT> }<a name="line.434"></a>
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438 <FONT color="green">435</FONT> <a name="line.435"></a>
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439 <FONT color="green">436</FONT> /**<a name="line.436"></a>
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440 <FONT color="green">437</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.437"></a>
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441 <FONT color="green">438</FONT> * <p><a name="line.438"></a>
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442 <FONT color="green">439</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.439"></a>
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443 <FONT color="green">440</FONT> *<a name="line.440"></a>
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444 <FONT color="green">441</FONT> * @param v the value to lookup<a name="line.441"></a>
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445 <FONT color="green">442</FONT> * @return the proportion of values equal to v<a name="line.442"></a>
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446 <FONT color="green">443</FONT> */<a name="line.443"></a>
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447 <FONT color="green">444</FONT> public long getCumFreq(long v) {<a name="line.444"></a>
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448 <FONT color="green">445</FONT> return getCumFreq(Long.valueOf(v));<a name="line.445"></a>
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449 <FONT color="green">446</FONT> }<a name="line.446"></a>
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450 <FONT color="green">447</FONT> <a name="line.447"></a>
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451 <FONT color="green">448</FONT> /**<a name="line.448"></a>
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452 <FONT color="green">449</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.449"></a>
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453 <FONT color="green">450</FONT> * <p><a name="line.450"></a>
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454 <FONT color="green">451</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.451"></a>
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455 <FONT color="green">452</FONT> *<a name="line.452"></a>
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456 <FONT color="green">453</FONT> * @param v the value to lookup<a name="line.453"></a>
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457 <FONT color="green">454</FONT> * @return the proportion of values equal to v<a name="line.454"></a>
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458 <FONT color="green">455</FONT> */<a name="line.455"></a>
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459 <FONT color="green">456</FONT> public long getCumFreq(char v) {<a name="line.456"></a>
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460 <FONT color="green">457</FONT> return getCumFreq(Character.valueOf(v));<a name="line.457"></a>
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461 <FONT color="green">458</FONT> }<a name="line.458"></a>
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462 <FONT color="green">459</FONT> <a name="line.459"></a>
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463 <FONT color="green">460</FONT> //----------------------------------------------------------------------------------------------<a name="line.460"></a>
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464 <FONT color="green">461</FONT> <a name="line.461"></a>
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465 <FONT color="green">462</FONT> /**<a name="line.462"></a>
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466 <FONT color="green">463</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.463"></a>
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467 <FONT color="green">464</FONT> * (as a proportion between 0 and 1).<a name="line.464"></a>
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468 <FONT color="green">465</FONT> * <p><a name="line.465"></a>
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469 <FONT color="green">466</FONT> * Returns <code>Double.NaN</code> if no values have been added.<a name="line.466"></a>
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470 <FONT color="green">467</FONT> * Returns 0 if at least one value has been added, but v is not comparable<a name="line.467"></a>
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471 <FONT color="green">468</FONT> * to the values set.</p><a name="line.468"></a>
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472 <FONT color="green">469</FONT> *<a name="line.469"></a>
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473 <FONT color="green">470</FONT> * @param v the value to lookup<a name="line.470"></a>
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474 <FONT color="green">471</FONT> * @return the proportion of values less than or equal to v<a name="line.471"></a>
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475 <FONT color="green">472</FONT> * @deprecated replaced by {@link #getCumPct(Comparable)} as of 2.0<a name="line.472"></a>
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476 <FONT color="green">473</FONT> */<a name="line.473"></a>
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477 <FONT color="green">474</FONT> @Deprecated<a name="line.474"></a>
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478 <FONT color="green">475</FONT> public double getCumPct(Object v) {<a name="line.475"></a>
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479 <FONT color="green">476</FONT> return getCumPct((Comparable<?>) v);<a name="line.476"></a>
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480 <FONT color="green">477</FONT> <a name="line.477"></a>
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481 <FONT color="green">478</FONT> }<a name="line.478"></a>
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482 <FONT color="green">479</FONT> <a name="line.479"></a>
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483 <FONT color="green">480</FONT> /**<a name="line.480"></a>
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484 <FONT color="green">481</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.481"></a>
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485 <FONT color="green">482</FONT> * (as a proportion between 0 and 1).<a name="line.482"></a>
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486 <FONT color="green">483</FONT> * <p><a name="line.483"></a>
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487 <FONT color="green">484</FONT> * Returns <code>Double.NaN</code> if no values have been added.<a name="line.484"></a>
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488 <FONT color="green">485</FONT> * Returns 0 if at least one value has been added, but v is not comparable<a name="line.485"></a>
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489 <FONT color="green">486</FONT> * to the values set.</p><a name="line.486"></a>
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490 <FONT color="green">487</FONT> *<a name="line.487"></a>
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491 <FONT color="green">488</FONT> * @param v the value to lookup<a name="line.488"></a>
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492 <FONT color="green">489</FONT> * @return the proportion of values less than or equal to v<a name="line.489"></a>
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493 <FONT color="green">490</FONT> */<a name="line.490"></a>
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494 <FONT color="green">491</FONT> public double getCumPct(Comparable<?> v) {<a name="line.491"></a>
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495 <FONT color="green">492</FONT> final long sumFreq = getSumFreq();<a name="line.492"></a>
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496 <FONT color="green">493</FONT> if (sumFreq == 0) {<a name="line.493"></a>
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497 <FONT color="green">494</FONT> return Double.NaN;<a name="line.494"></a>
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498 <FONT color="green">495</FONT> }<a name="line.495"></a>
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499 <FONT color="green">496</FONT> return (double) getCumFreq(v) / (double) sumFreq;<a name="line.496"></a>
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500 <FONT color="green">497</FONT> }<a name="line.497"></a>
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501 <FONT color="green">498</FONT> <a name="line.498"></a>
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502 <FONT color="green">499</FONT> /**<a name="line.499"></a>
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503 <FONT color="green">500</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.500"></a>
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504 <FONT color="green">501</FONT> * (as a proportion between 0 and 1).<a name="line.501"></a>
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505 <FONT color="green">502</FONT> * <p><a name="line.502"></a>
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506 <FONT color="green">503</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.503"></a>
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507 <FONT color="green">504</FONT> *<a name="line.504"></a>
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508 <FONT color="green">505</FONT> * @param v the value to lookup<a name="line.505"></a>
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509 <FONT color="green">506</FONT> * @return the proportion of values less than or equal to v<a name="line.506"></a>
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510 <FONT color="green">507</FONT> */<a name="line.507"></a>
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511 <FONT color="green">508</FONT> public double getCumPct(int v) {<a name="line.508"></a>
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512 <FONT color="green">509</FONT> return getCumPct(Long.valueOf(v));<a name="line.509"></a>
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513 <FONT color="green">510</FONT> }<a name="line.510"></a>
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514 <FONT color="green">511</FONT> <a name="line.511"></a>
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515 <FONT color="green">512</FONT> /**<a name="line.512"></a>
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516 <FONT color="green">513</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.513"></a>
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517 <FONT color="green">514</FONT> * (as a proportion between 0 and 1).<a name="line.514"></a>
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518 <FONT color="green">515</FONT> * <p><a name="line.515"></a>
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519 <FONT color="green">516</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.516"></a>
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520 <FONT color="green">517</FONT> *<a name="line.517"></a>
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521 <FONT color="green">518</FONT> * @param v the value to lookup<a name="line.518"></a>
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522 <FONT color="green">519</FONT> * @return the proportion of values less than or equal to v<a name="line.519"></a>
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523 <FONT color="green">520</FONT> */<a name="line.520"></a>
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524 <FONT color="green">521</FONT> public double getCumPct(long v) {<a name="line.521"></a>
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525 <FONT color="green">522</FONT> return getCumPct(Long.valueOf(v));<a name="line.522"></a>
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526 <FONT color="green">523</FONT> }<a name="line.523"></a>
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527 <FONT color="green">524</FONT> <a name="line.524"></a>
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528 <FONT color="green">525</FONT> /**<a name="line.525"></a>
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529 <FONT color="green">526</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.526"></a>
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530 <FONT color="green">527</FONT> * (as a proportion between 0 and 1).<a name="line.527"></a>
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531 <FONT color="green">528</FONT> * <p><a name="line.528"></a>
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532 <FONT color="green">529</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.529"></a>
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533 <FONT color="green">530</FONT> *<a name="line.530"></a>
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534 <FONT color="green">531</FONT> * @param v the value to lookup<a name="line.531"></a>
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535 <FONT color="green">532</FONT> * @return the proportion of values less than or equal to v<a name="line.532"></a>
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536 <FONT color="green">533</FONT> */<a name="line.533"></a>
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537 <FONT color="green">534</FONT> public double getCumPct(char v) {<a name="line.534"></a>
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538 <FONT color="green">535</FONT> return getCumPct(Character.valueOf(v));<a name="line.535"></a>
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539 <FONT color="green">536</FONT> }<a name="line.536"></a>
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540 <FONT color="green">537</FONT> <a name="line.537"></a>
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541 <FONT color="green">538</FONT> /**<a name="line.538"></a>
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542 <FONT color="green">539</FONT> * A Comparator that compares comparable objects using the<a name="line.539"></a>
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543 <FONT color="green">540</FONT> * natural order. Copied from Commons Collections ComparableComparator.<a name="line.540"></a>
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544 <FONT color="green">541</FONT> */<a name="line.541"></a>
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545 <FONT color="green">542</FONT> private static class NaturalComparator<T extends Comparable<T>> implements Comparator<Comparable<T>>, Serializable {<a name="line.542"></a>
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546 <FONT color="green">543</FONT> <a name="line.543"></a>
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547 <FONT color="green">544</FONT> /** Serializable version identifier */<a name="line.544"></a>
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548 <FONT color="green">545</FONT> private static final long serialVersionUID = -3852193713161395148L;<a name="line.545"></a>
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549 <FONT color="green">546</FONT> <a name="line.546"></a>
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550 <FONT color="green">547</FONT> /**<a name="line.547"></a>
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551 <FONT color="green">548</FONT> * Compare the two {@link Comparable Comparable} arguments.<a name="line.548"></a>
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552 <FONT color="green">549</FONT> * This method is equivalent to:<a name="line.549"></a>
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553 <FONT color="green">550</FONT> * <pre>(({@link Comparable Comparable})o1).{@link Comparable#compareTo compareTo}(o2)</pre><a name="line.550"></a>
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554 <FONT color="green">551</FONT> *<a name="line.551"></a>
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555 <FONT color="green">552</FONT> * @param o1 the first object<a name="line.552"></a>
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556 <FONT color="green">553</FONT> * @param o2 the second object<a name="line.553"></a>
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557 <FONT color="green">554</FONT> * @return result of comparison<a name="line.554"></a>
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558 <FONT color="green">555</FONT> * @throws NullPointerException when <i>o1</i> is <code>null</code>,<a name="line.555"></a>
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559 <FONT color="green">556</FONT> * or when <code>((Comparable)o1).compareTo(o2)</code> does<a name="line.556"></a>
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560 <FONT color="green">557</FONT> * @throws ClassCastException when <i>o1</i> is not a {@link Comparable Comparable},<a name="line.557"></a>
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561 <FONT color="green">558</FONT> * or when <code>((Comparable)o1).compareTo(o2)</code> does<a name="line.558"></a>
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562 <FONT color="green">559</FONT> */<a name="line.559"></a>
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563 <FONT color="green">560</FONT> @SuppressWarnings("unchecked") // cast to (T) may throw ClassCastException, see Javadoc<a name="line.560"></a>
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564 <FONT color="green">561</FONT> public int compare(Comparable<T> o1, Comparable<T> o2) {<a name="line.561"></a>
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565 <FONT color="green">562</FONT> return o1.compareTo((T) o2);<a name="line.562"></a>
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566 <FONT color="green">563</FONT> }<a name="line.563"></a>
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567 <FONT color="green">564</FONT> }<a name="line.564"></a>
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568 <FONT color="green">565</FONT> <a name="line.565"></a>
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569 <FONT color="green">566</FONT> /** {@inheritDoc} */<a name="line.566"></a>
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570 <FONT color="green">567</FONT> @Override<a name="line.567"></a>
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571 <FONT color="green">568</FONT> public int hashCode() {<a name="line.568"></a>
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572 <FONT color="green">569</FONT> final int prime = 31;<a name="line.569"></a>
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573 <FONT color="green">570</FONT> int result = 1;<a name="line.570"></a>
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574 <FONT color="green">571</FONT> result = prime * result +<a name="line.571"></a>
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575 <FONT color="green">572</FONT> ((freqTable == null) ? 0 : freqTable.hashCode());<a name="line.572"></a>
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576 <FONT color="green">573</FONT> return result;<a name="line.573"></a>
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577 <FONT color="green">574</FONT> }<a name="line.574"></a>
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578 <FONT color="green">575</FONT> <a name="line.575"></a>
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579 <FONT color="green">576</FONT> /** {@inheritDoc} */<a name="line.576"></a>
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580 <FONT color="green">577</FONT> @Override<a name="line.577"></a>
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581 <FONT color="green">578</FONT> public boolean equals(Object obj) {<a name="line.578"></a>
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582 <FONT color="green">579</FONT> if (this == obj)<a name="line.579"></a>
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583 <FONT color="green">580</FONT> return true;<a name="line.580"></a>
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584 <FONT color="green">581</FONT> if (!(obj instanceof Frequency))<a name="line.581"></a>
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585 <FONT color="green">582</FONT> return false;<a name="line.582"></a>
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586 <FONT color="green">583</FONT> Frequency other = (Frequency) obj;<a name="line.583"></a>
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587 <FONT color="green">584</FONT> if (freqTable == null) {<a name="line.584"></a>
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588 <FONT color="green">585</FONT> if (other.freqTable != null)<a name="line.585"></a>
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589 <FONT color="green">586</FONT> return false;<a name="line.586"></a>
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590 <FONT color="green">587</FONT> } else if (!freqTable.equals(other.freqTable))<a name="line.587"></a>
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591 <FONT color="green">588</FONT> return false;<a name="line.588"></a>
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592 <FONT color="green">589</FONT> return true;<a name="line.589"></a>
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593 <FONT color="green">590</FONT> }<a name="line.590"></a>
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594 <FONT color="green">591</FONT> <a name="line.591"></a>
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595 <FONT color="green">592</FONT> }<a name="line.592"></a>
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654
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655
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656 </PRE>
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657 </BODY>
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658 </HTML>
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