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view libs/commons-math-2.1/docs/apidocs/src-html/org/apache/commons/math/stat/Frequency.html @ 13:cbf34dd4d7e6
commons-math-2.1 added
| author | dwinter |
|---|---|
| date | Tue, 04 Jan 2011 10:02:07 +0100 |
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<HTML> <BODY BGCOLOR="white"> <PRE> <FONT color="green">001</FONT> /*<a name="line.1"></a> <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a> <FONT color="green">003</FONT> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> <FONT color="green">004</FONT> * this work for additional information regarding copyright ownership.<a name="line.4"></a> <FONT color="green">005</FONT> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a> <FONT color="green">006</FONT> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> <FONT color="green">007</FONT> * the License. You may obtain a copy of the License at<a name="line.7"></a> <FONT color="green">008</FONT> *<a name="line.8"></a> <FONT color="green">009</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> <FONT color="green">010</FONT> *<a name="line.10"></a> <FONT color="green">011</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> <FONT color="green">012</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> <FONT color="green">013</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> <FONT color="green">014</FONT> * See the License for the specific language governing permissions and<a name="line.14"></a> <FONT color="green">015</FONT> * limitations under the License.<a name="line.15"></a> <FONT color="green">016</FONT> */<a name="line.16"></a> <FONT color="green">017</FONT> package org.apache.commons.math.stat;<a name="line.17"></a> <FONT color="green">018</FONT> <a name="line.18"></a> <FONT color="green">019</FONT> import java.io.Serializable;<a name="line.19"></a> <FONT color="green">020</FONT> import java.text.NumberFormat;<a name="line.20"></a> <FONT color="green">021</FONT> import java.util.Iterator;<a name="line.21"></a> <FONT color="green">022</FONT> import java.util.Comparator;<a name="line.22"></a> <FONT color="green">023</FONT> import java.util.TreeMap;<a name="line.23"></a> <FONT color="green">024</FONT> <a name="line.24"></a> <FONT color="green">025</FONT> import org.apache.commons.math.MathRuntimeException;<a name="line.25"></a> <FONT color="green">026</FONT> <a name="line.26"></a> <FONT color="green">027</FONT> /**<a name="line.27"></a> <FONT color="green">028</FONT> * Maintains a frequency distribution.<a name="line.28"></a> <FONT color="green">029</FONT> * <p><a name="line.29"></a> <FONT color="green">030</FONT> * Accepts int, long, char or Comparable values. New values added must be<a name="line.30"></a> <FONT color="green">031</FONT> * comparable to those that have been added, otherwise the add method will<a name="line.31"></a> <FONT color="green">032</FONT> * throw an IllegalArgumentException.</p><a name="line.32"></a> <FONT color="green">033</FONT> * <p><a name="line.33"></a> <FONT color="green">034</FONT> * Integer values (int, long, Integer, Long) are not distinguished by type --<a name="line.34"></a> <FONT color="green">035</FONT> * i.e. <code>addValue(Long.valueOf(2)), addValue(2), addValue(2l)</code> all have<a name="line.35"></a> <FONT color="green">036</FONT> * the same effect (similarly for arguments to <code>getCount,</code> etc.).</p><a name="line.36"></a> <FONT color="green">037</FONT> * <p><a name="line.37"></a> <FONT color="green">038</FONT> * char values are converted by <code>addValue</code> to Character instances.<a name="line.38"></a> <FONT color="green">039</FONT> * As such, these values are not comparable to integral values, so attempts<a name="line.39"></a> <FONT color="green">040</FONT> * to combine integral types with chars in a frequency distribution will fail.<a name="line.40"></a> <FONT color="green">041</FONT> * </p><a name="line.41"></a> <FONT color="green">042</FONT> * <p><a name="line.42"></a> <FONT color="green">043</FONT> * The values are ordered using the default (natural order), unless a<a name="line.43"></a> <FONT color="green">044</FONT> * <code>Comparator</code> is supplied in the constructor.</p><a name="line.44"></a> <FONT color="green">045</FONT> *<a name="line.45"></a> <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> <FONT color="green">047</FONT> */<a name="line.47"></a> <FONT color="green">048</FONT> public class Frequency implements Serializable {<a name="line.48"></a> <FONT color="green">049</FONT> <a name="line.49"></a> <FONT color="green">050</FONT> /** Serializable version identifier */<a name="line.50"></a> <FONT color="green">051</FONT> private static final long serialVersionUID = -3845586908418844111L;<a name="line.51"></a> <FONT color="green">052</FONT> <a name="line.52"></a> <FONT color="green">053</FONT> /** underlying collection */<a name="line.53"></a> <FONT color="green">054</FONT> private final TreeMap<Comparable<?>, Long> freqTable;<a name="line.54"></a> <FONT color="green">055</FONT> <a name="line.55"></a> <FONT color="green">056</FONT> /**<a name="line.56"></a> <FONT color="green">057</FONT> * Default constructor.<a name="line.57"></a> <FONT color="green">058</FONT> */<a name="line.58"></a> <FONT color="green">059</FONT> public Frequency() {<a name="line.59"></a> <FONT color="green">060</FONT> freqTable = new TreeMap<Comparable<?>, Long>();<a name="line.60"></a> <FONT color="green">061</FONT> }<a name="line.61"></a> <FONT color="green">062</FONT> <a name="line.62"></a> <FONT color="green">063</FONT> /**<a name="line.63"></a> <FONT color="green">064</FONT> * Constructor allowing values Comparator to be specified.<a name="line.64"></a> <FONT color="green">065</FONT> *<a name="line.65"></a> <FONT color="green">066</FONT> * @param comparator Comparator used to order values<a name="line.66"></a> <FONT color="green">067</FONT> */<a name="line.67"></a> <FONT color="green">068</FONT> @SuppressWarnings("unchecked") // TODO is the cast OK?<a name="line.68"></a> <FONT color="green">069</FONT> public Frequency(Comparator<?> comparator) {<a name="line.69"></a> <FONT color="green">070</FONT> freqTable = new TreeMap<Comparable<?>, Long>((Comparator<? super Comparable<?>>) comparator);<a name="line.70"></a> <FONT color="green">071</FONT> }<a name="line.71"></a> <FONT color="green">072</FONT> <a name="line.72"></a> <FONT color="green">073</FONT> /**<a name="line.73"></a> <FONT color="green">074</FONT> * Return a string representation of this frequency<a name="line.74"></a> <FONT color="green">075</FONT> * distribution.<a name="line.75"></a> <FONT color="green">076</FONT> *<a name="line.76"></a> <FONT color="green">077</FONT> * @return a string representation.<a name="line.77"></a> <FONT color="green">078</FONT> */<a name="line.78"></a> <FONT color="green">079</FONT> @Override<a name="line.79"></a> <FONT color="green">080</FONT> public String toString() {<a name="line.80"></a> <FONT color="green">081</FONT> NumberFormat nf = NumberFormat.getPercentInstance();<a name="line.81"></a> <FONT color="green">082</FONT> StringBuffer outBuffer = new StringBuffer();<a name="line.82"></a> <FONT color="green">083</FONT> outBuffer.append("Value \t Freq. \t Pct. \t Cum Pct. \n");<a name="line.83"></a> <FONT color="green">084</FONT> Iterator<Comparable<?>> iter = freqTable.keySet().iterator();<a name="line.84"></a> <FONT color="green">085</FONT> while (iter.hasNext()) {<a name="line.85"></a> <FONT color="green">086</FONT> Comparable<?> value = iter.next();<a name="line.86"></a> <FONT color="green">087</FONT> outBuffer.append(value);<a name="line.87"></a> <FONT color="green">088</FONT> outBuffer.append('\t');<a name="line.88"></a> <FONT color="green">089</FONT> outBuffer.append(getCount(value));<a name="line.89"></a> <FONT color="green">090</FONT> outBuffer.append('\t');<a name="line.90"></a> <FONT color="green">091</FONT> outBuffer.append(nf.format(getPct(value)));<a name="line.91"></a> <FONT color="green">092</FONT> outBuffer.append('\t');<a name="line.92"></a> <FONT color="green">093</FONT> outBuffer.append(nf.format(getCumPct(value)));<a name="line.93"></a> <FONT color="green">094</FONT> outBuffer.append('\n');<a name="line.94"></a> <FONT color="green">095</FONT> }<a name="line.95"></a> <FONT color="green">096</FONT> return outBuffer.toString();<a name="line.96"></a> <FONT color="green">097</FONT> }<a name="line.97"></a> <FONT color="green">098</FONT> <a name="line.98"></a> <FONT color="green">099</FONT> /**<a name="line.99"></a> <FONT color="green">100</FONT> * Adds 1 to the frequency count for v.<a name="line.100"></a> <FONT color="green">101</FONT> * <p><a name="line.101"></a> <FONT color="green">102</FONT> * If other objects have already been added to this Frequency, v must<a name="line.102"></a> <FONT color="green">103</FONT> * be comparable to those that have already been added.<a name="line.103"></a> <FONT color="green">104</FONT> * </p><a name="line.104"></a> <FONT color="green">105</FONT> *<a name="line.105"></a> <FONT color="green">106</FONT> * @param v the value to add.<a name="line.106"></a> <FONT color="green">107</FONT> * @throws IllegalArgumentException if <code>v</code> is not Comparable,<a name="line.107"></a> <FONT color="green">108</FONT> * or is not comparable with previous entries<a name="line.108"></a> <FONT color="green">109</FONT> * @deprecated use {@link #addValue(Comparable)} instead<a name="line.109"></a> <FONT color="green">110</FONT> */<a name="line.110"></a> <FONT color="green">111</FONT> @Deprecated<a name="line.111"></a> <FONT color="green">112</FONT> public void addValue(Object v) {<a name="line.112"></a> <FONT color="green">113</FONT> if (v instanceof Comparable<?>){<a name="line.113"></a> <FONT color="green">114</FONT> addValue((Comparable<?>) v);<a name="line.114"></a> <FONT color="green">115</FONT> } else {<a name="line.115"></a> <FONT color="green">116</FONT> throw MathRuntimeException.createIllegalArgumentException(<a name="line.116"></a> <FONT color="green">117</FONT> "class ({0}) does not implement Comparable",<a name="line.117"></a> <FONT color="green">118</FONT> v.getClass().getName());<a name="line.118"></a> <FONT color="green">119</FONT> }<a name="line.119"></a> <FONT color="green">120</FONT> }<a name="line.120"></a> <FONT color="green">121</FONT> <a name="line.121"></a> <FONT color="green">122</FONT> /**<a name="line.122"></a> <FONT color="green">123</FONT> * Adds 1 to the frequency count for v.<a name="line.123"></a> <FONT color="green">124</FONT> * <p><a name="line.124"></a> <FONT color="green">125</FONT> * If other objects have already been added to this Frequency, v must<a name="line.125"></a> <FONT color="green">126</FONT> * be comparable to those that have already been added.<a name="line.126"></a> <FONT color="green">127</FONT> * </p><a name="line.127"></a> <FONT color="green">128</FONT> *<a name="line.128"></a> <FONT color="green">129</FONT> * @param v the value to add.<a name="line.129"></a> <FONT color="green">130</FONT> * @throws IllegalArgumentException if <code>v</code> is not comparable with previous entries<a name="line.130"></a> <FONT color="green">131</FONT> */<a name="line.131"></a> <FONT color="green">132</FONT> public void addValue(Comparable<?> v){<a name="line.132"></a> <FONT color="green">133</FONT> Comparable<?> obj = v;<a name="line.133"></a> <FONT color="green">134</FONT> if (v instanceof Integer) {<a name="line.134"></a> <FONT color="green">135</FONT> obj = Long.valueOf(((Integer) v).longValue());<a name="line.135"></a> <FONT color="green">136</FONT> }<a name="line.136"></a> <FONT color="green">137</FONT> try {<a name="line.137"></a> <FONT color="green">138</FONT> Long count = freqTable.get(obj);<a name="line.138"></a> <FONT color="green">139</FONT> if (count == null) {<a name="line.139"></a> <FONT color="green">140</FONT> freqTable.put(obj, Long.valueOf(1));<a name="line.140"></a> <FONT color="green">141</FONT> } else {<a name="line.141"></a> <FONT color="green">142</FONT> freqTable.put(obj, Long.valueOf(count.longValue() + 1));<a name="line.142"></a> <FONT color="green">143</FONT> }<a name="line.143"></a> <FONT color="green">144</FONT> } catch (ClassCastException ex) {<a name="line.144"></a> <FONT color="green">145</FONT> //TreeMap will throw ClassCastException if v is not comparable<a name="line.145"></a> <FONT color="green">146</FONT> throw MathRuntimeException.createIllegalArgumentException(<a name="line.146"></a> <FONT color="green">147</FONT> "instance of class {0} not comparable to existing values",<a name="line.147"></a> <FONT color="green">148</FONT> v.getClass().getName());<a name="line.148"></a> <FONT color="green">149</FONT> }<a name="line.149"></a> <FONT color="green">150</FONT> }<a name="line.150"></a> <FONT color="green">151</FONT> <a name="line.151"></a> <FONT color="green">152</FONT> /**<a name="line.152"></a> <FONT color="green">153</FONT> * Adds 1 to the frequency count for v.<a name="line.153"></a> <FONT color="green">154</FONT> *<a name="line.154"></a> <FONT color="green">155</FONT> * @param v the value to add.<a name="line.155"></a> <FONT color="green">156</FONT> */<a name="line.156"></a> <FONT color="green">157</FONT> public void addValue(int v) {<a name="line.157"></a> <FONT color="green">158</FONT> addValue(Long.valueOf(v));<a name="line.158"></a> <FONT color="green">159</FONT> }<a name="line.159"></a> <FONT color="green">160</FONT> <a name="line.160"></a> <FONT color="green">161</FONT> /**<a name="line.161"></a> <FONT color="green">162</FONT> * Adds 1 to the frequency count for v.<a name="line.162"></a> <FONT color="green">163</FONT> *<a name="line.163"></a> <FONT color="green">164</FONT> * @param v the value to add.<a name="line.164"></a> <FONT color="green">165</FONT> * @deprecated to be removed in math 3.0<a name="line.165"></a> <FONT color="green">166</FONT> */<a name="line.166"></a> <FONT color="green">167</FONT> @Deprecated<a name="line.167"></a> <FONT color="green">168</FONT> public void addValue(Integer v) {<a name="line.168"></a> <FONT color="green">169</FONT> addValue(Long.valueOf(v.longValue()));<a name="line.169"></a> <FONT color="green">170</FONT> }<a name="line.170"></a> <FONT color="green">171</FONT> <a name="line.171"></a> <FONT color="green">172</FONT> /**<a name="line.172"></a> <FONT color="green">173</FONT> * Adds 1 to the frequency count for v.<a name="line.173"></a> <FONT color="green">174</FONT> *<a name="line.174"></a> <FONT color="green">175</FONT> * @param v the value to add.<a name="line.175"></a> <FONT color="green">176</FONT> */<a name="line.176"></a> <FONT color="green">177</FONT> public void addValue(long v) {<a name="line.177"></a> <FONT color="green">178</FONT> addValue(Long.valueOf(v));<a name="line.178"></a> <FONT color="green">179</FONT> }<a name="line.179"></a> <FONT color="green">180</FONT> <a name="line.180"></a> <FONT color="green">181</FONT> /**<a name="line.181"></a> <FONT color="green">182</FONT> * Adds 1 to the frequency count for v.<a name="line.182"></a> <FONT color="green">183</FONT> *<a name="line.183"></a> <FONT color="green">184</FONT> * @param v the value to add.<a name="line.184"></a> <FONT color="green">185</FONT> */<a name="line.185"></a> <FONT color="green">186</FONT> public void addValue(char v) {<a name="line.186"></a> <FONT color="green">187</FONT> addValue(Character.valueOf(v));<a name="line.187"></a> <FONT color="green">188</FONT> }<a name="line.188"></a> <FONT color="green">189</FONT> <a name="line.189"></a> <FONT color="green">190</FONT> /** Clears the frequency table */<a name="line.190"></a> <FONT color="green">191</FONT> public void clear() {<a name="line.191"></a> <FONT color="green">192</FONT> freqTable.clear();<a name="line.192"></a> <FONT color="green">193</FONT> }<a name="line.193"></a> <FONT color="green">194</FONT> <a name="line.194"></a> <FONT color="green">195</FONT> /**<a name="line.195"></a> <FONT color="green">196</FONT> * Returns an Iterator over the set of values that have been added.<a name="line.196"></a> <FONT color="green">197</FONT> * <p><a name="line.197"></a> <FONT color="green">198</FONT> * If added values are integral (i.e., integers, longs, Integers, or Longs),<a name="line.198"></a> <FONT color="green">199</FONT> * they are converted to Longs when they are added, so the objects returned<a name="line.199"></a> <FONT color="green">200</FONT> * by the Iterator will in this case be Longs.</p><a name="line.200"></a> <FONT color="green">201</FONT> *<a name="line.201"></a> <FONT color="green">202</FONT> * @return values Iterator<a name="line.202"></a> <FONT color="green">203</FONT> */<a name="line.203"></a> <FONT color="green">204</FONT> public Iterator<Comparable<?>> valuesIterator() {<a name="line.204"></a> <FONT color="green">205</FONT> return freqTable.keySet().iterator();<a name="line.205"></a> <FONT color="green">206</FONT> }<a name="line.206"></a> <FONT color="green">207</FONT> <a name="line.207"></a> <FONT color="green">208</FONT> //-------------------------------------------------------------------------<a name="line.208"></a> <FONT color="green">209</FONT> <a name="line.209"></a> <FONT color="green">210</FONT> /**<a name="line.210"></a> <FONT color="green">211</FONT> * Returns the sum of all frequencies.<a name="line.211"></a> <FONT color="green">212</FONT> *<a name="line.212"></a> <FONT color="green">213</FONT> * @return the total frequency count.<a name="line.213"></a> <FONT color="green">214</FONT> */<a name="line.214"></a> <FONT color="green">215</FONT> public long getSumFreq() {<a name="line.215"></a> <FONT color="green">216</FONT> long result = 0;<a name="line.216"></a> <FONT color="green">217</FONT> Iterator<Long> iterator = freqTable.values().iterator();<a name="line.217"></a> <FONT color="green">218</FONT> while (iterator.hasNext()) {<a name="line.218"></a> <FONT color="green">219</FONT> result += iterator.next().longValue();<a name="line.219"></a> <FONT color="green">220</FONT> }<a name="line.220"></a> <FONT color="green">221</FONT> return result;<a name="line.221"></a> <FONT color="green">222</FONT> }<a name="line.222"></a> <FONT color="green">223</FONT> <a name="line.223"></a> <FONT color="green">224</FONT> /**<a name="line.224"></a> <FONT color="green">225</FONT> * Returns the number of values = v.<a name="line.225"></a> <FONT color="green">226</FONT> * Returns 0 if the value is not comparable.<a name="line.226"></a> <FONT color="green">227</FONT> *<a name="line.227"></a> <FONT color="green">228</FONT> * @param v the value to lookup.<a name="line.228"></a> <FONT color="green">229</FONT> * @return the frequency of v.<a name="line.229"></a> <FONT color="green">230</FONT> * @deprecated replaced by {@link #getCount(Comparable)} as of 2.0<a name="line.230"></a> <FONT color="green">231</FONT> */<a name="line.231"></a> <FONT color="green">232</FONT> @Deprecated<a name="line.232"></a> <FONT color="green">233</FONT> public long getCount(Object v) {<a name="line.233"></a> <FONT color="green">234</FONT> return getCount((Comparable<?>) v);<a name="line.234"></a> <FONT color="green">235</FONT> }<a name="line.235"></a> <FONT color="green">236</FONT> <a name="line.236"></a> <FONT color="green">237</FONT> /**<a name="line.237"></a> <FONT color="green">238</FONT> * Returns the number of values = v.<a name="line.238"></a> <FONT color="green">239</FONT> * Returns 0 if the value is not comparable.<a name="line.239"></a> <FONT color="green">240</FONT> *<a name="line.240"></a> <FONT color="green">241</FONT> * @param v the value to lookup.<a name="line.241"></a> <FONT color="green">242</FONT> * @return the frequency of v.<a name="line.242"></a> <FONT color="green">243</FONT> */<a name="line.243"></a> <FONT color="green">244</FONT> public long getCount(Comparable<?> v) {<a name="line.244"></a> <FONT color="green">245</FONT> if (v instanceof Integer) {<a name="line.245"></a> <FONT color="green">246</FONT> return getCount(((Integer) v).longValue());<a name="line.246"></a> <FONT color="green">247</FONT> }<a name="line.247"></a> <FONT color="green">248</FONT> long result = 0;<a name="line.248"></a> <FONT color="green">249</FONT> try {<a name="line.249"></a> <FONT color="green">250</FONT> Long count = freqTable.get(v);<a name="line.250"></a> <FONT color="green">251</FONT> if (count != null) {<a name="line.251"></a> <FONT color="green">252</FONT> result = count.longValue();<a name="line.252"></a> <FONT color="green">253</FONT> }<a name="line.253"></a> <FONT color="green">254</FONT> } catch (ClassCastException ex) {<a name="line.254"></a> <FONT color="green">255</FONT> // ignore and return 0 -- ClassCastException will be thrown if value is not comparable<a name="line.255"></a> <FONT color="green">256</FONT> }<a name="line.256"></a> <FONT color="green">257</FONT> return result;<a name="line.257"></a> <FONT color="green">258</FONT> }<a name="line.258"></a> <FONT color="green">259</FONT> <a name="line.259"></a> <FONT color="green">260</FONT> /**<a name="line.260"></a> <FONT color="green">261</FONT> * Returns the number of values = v.<a name="line.261"></a> <FONT color="green">262</FONT> *<a name="line.262"></a> <FONT color="green">263</FONT> * @param v the value to lookup.<a name="line.263"></a> <FONT color="green">264</FONT> * @return the frequency of v.<a name="line.264"></a> <FONT color="green">265</FONT> */<a name="line.265"></a> <FONT color="green">266</FONT> public long getCount(int v) {<a name="line.266"></a> <FONT color="green">267</FONT> return getCount(Long.valueOf(v));<a name="line.267"></a> <FONT color="green">268</FONT> }<a name="line.268"></a> <FONT color="green">269</FONT> <a name="line.269"></a> <FONT color="green">270</FONT> /**<a name="line.270"></a> <FONT color="green">271</FONT> * Returns the number of values = v.<a name="line.271"></a> <FONT color="green">272</FONT> *<a name="line.272"></a> <FONT color="green">273</FONT> * @param v the value to lookup.<a name="line.273"></a> <FONT color="green">274</FONT> * @return the frequency of v.<a name="line.274"></a> <FONT color="green">275</FONT> */<a name="line.275"></a> <FONT color="green">276</FONT> public long getCount(long v) {<a name="line.276"></a> <FONT color="green">277</FONT> return getCount(Long.valueOf(v));<a name="line.277"></a> <FONT color="green">278</FONT> }<a name="line.278"></a> <FONT color="green">279</FONT> <a name="line.279"></a> <FONT color="green">280</FONT> /**<a name="line.280"></a> <FONT color="green">281</FONT> * Returns the number of values = v.<a name="line.281"></a> <FONT color="green">282</FONT> *<a name="line.282"></a> <FONT color="green">283</FONT> * @param v the value to lookup.<a name="line.283"></a> <FONT color="green">284</FONT> * @return the frequency of v.<a name="line.284"></a> <FONT color="green">285</FONT> */<a name="line.285"></a> <FONT color="green">286</FONT> public long getCount(char v) {<a name="line.286"></a> <FONT color="green">287</FONT> return getCount(Character.valueOf(v));<a name="line.287"></a> <FONT color="green">288</FONT> }<a name="line.288"></a> <FONT color="green">289</FONT> <a name="line.289"></a> <FONT color="green">290</FONT> //-------------------------------------------------------------<a name="line.290"></a> <FONT color="green">291</FONT> <a name="line.291"></a> <FONT color="green">292</FONT> /**<a name="line.292"></a> <FONT color="green">293</FONT> * Returns the percentage of values that are equal to v<a name="line.293"></a> <FONT color="green">294</FONT> * (as a proportion between 0 and 1).<a name="line.294"></a> <FONT color="green">295</FONT> * <p><a name="line.295"></a> <FONT color="green">296</FONT> * Returns <code>Double.NaN</code> if no values have been added.</p><a name="line.296"></a> <FONT color="green">297</FONT> *<a name="line.297"></a> <FONT color="green">298</FONT> * @param v the value to lookup<a name="line.298"></a> <FONT color="green">299</FONT> * @return the proportion of values equal to v<a name="line.299"></a> <FONT color="green">300</FONT> * @deprecated replaced by {@link #getPct(Comparable)} as of 2.0<a name="line.300"></a> <FONT color="green">301</FONT> */<a name="line.301"></a> <FONT color="green">302</FONT> @Deprecated<a name="line.302"></a> <FONT color="green">303</FONT> public double getPct(Object v) {<a name="line.303"></a> <FONT color="green">304</FONT> return getPct((Comparable<?>) v);<a name="line.304"></a> <FONT color="green">305</FONT> }<a name="line.305"></a> <FONT color="green">306</FONT> <a name="line.306"></a> <FONT color="green">307</FONT> /**<a name="line.307"></a> <FONT color="green">308</FONT> * Returns the percentage of values that are equal to v<a name="line.308"></a> <FONT color="green">309</FONT> * (as a proportion between 0 and 1).<a name="line.309"></a> <FONT color="green">310</FONT> * <p><a name="line.310"></a> <FONT color="green">311</FONT> * Returns <code>Double.NaN</code> if no values have been added.</p><a name="line.311"></a> <FONT color="green">312</FONT> *<a name="line.312"></a> <FONT color="green">313</FONT> * @param v the value to lookup<a name="line.313"></a> <FONT color="green">314</FONT> * @return the proportion of values equal to v<a name="line.314"></a> <FONT color="green">315</FONT> */<a name="line.315"></a> <FONT color="green">316</FONT> public double getPct(Comparable<?> v) {<a name="line.316"></a> <FONT color="green">317</FONT> final long sumFreq = getSumFreq();<a name="line.317"></a> <FONT color="green">318</FONT> if (sumFreq == 0) {<a name="line.318"></a> <FONT color="green">319</FONT> return Double.NaN;<a name="line.319"></a> <FONT color="green">320</FONT> }<a name="line.320"></a> <FONT color="green">321</FONT> return (double) getCount(v) / (double) sumFreq;<a name="line.321"></a> <FONT color="green">322</FONT> }<a name="line.322"></a> <FONT color="green">323</FONT> <a name="line.323"></a> <FONT color="green">324</FONT> /**<a name="line.324"></a> <FONT color="green">325</FONT> * Returns the percentage of values that are equal to v<a name="line.325"></a> <FONT color="green">326</FONT> * (as a proportion between 0 and 1).<a name="line.326"></a> <FONT color="green">327</FONT> *<a name="line.327"></a> <FONT color="green">328</FONT> * @param v the value to lookup<a name="line.328"></a> <FONT color="green">329</FONT> * @return the proportion of values equal to v<a name="line.329"></a> <FONT color="green">330</FONT> */<a name="line.330"></a> <FONT color="green">331</FONT> public double getPct(int v) {<a name="line.331"></a> <FONT color="green">332</FONT> return getPct(Long.valueOf(v));<a name="line.332"></a> <FONT color="green">333</FONT> }<a name="line.333"></a> <FONT color="green">334</FONT> <a name="line.334"></a> <FONT color="green">335</FONT> /**<a name="line.335"></a> <FONT color="green">336</FONT> * Returns the percentage of values that are equal to v<a name="line.336"></a> <FONT color="green">337</FONT> * (as a proportion between 0 and 1).<a name="line.337"></a> <FONT color="green">338</FONT> *<a name="line.338"></a> <FONT color="green">339</FONT> * @param v the value to lookup<a name="line.339"></a> <FONT color="green">340</FONT> * @return the proportion of values equal to v<a name="line.340"></a> <FONT color="green">341</FONT> */<a name="line.341"></a> <FONT color="green">342</FONT> public double getPct(long v) {<a name="line.342"></a> <FONT color="green">343</FONT> return getPct(Long.valueOf(v));<a name="line.343"></a> <FONT color="green">344</FONT> }<a name="line.344"></a> <FONT color="green">345</FONT> <a name="line.345"></a> <FONT color="green">346</FONT> /**<a name="line.346"></a> <FONT color="green">347</FONT> * Returns the percentage of values that are equal to v<a name="line.347"></a> <FONT color="green">348</FONT> * (as a proportion between 0 and 1).<a name="line.348"></a> <FONT color="green">349</FONT> *<a name="line.349"></a> <FONT color="green">350</FONT> * @param v the value to lookup<a name="line.350"></a> <FONT color="green">351</FONT> * @return the proportion of values equal to v<a name="line.351"></a> <FONT color="green">352</FONT> */<a name="line.352"></a> <FONT color="green">353</FONT> public double getPct(char v) {<a name="line.353"></a> <FONT color="green">354</FONT> return getPct(Character.valueOf(v));<a name="line.354"></a> <FONT color="green">355</FONT> }<a name="line.355"></a> <FONT color="green">356</FONT> <a name="line.356"></a> <FONT color="green">357</FONT> //-----------------------------------------------------------------------------------------<a name="line.357"></a> <FONT color="green">358</FONT> <a name="line.358"></a> <FONT color="green">359</FONT> /**<a name="line.359"></a> <FONT color="green">360</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.360"></a> <FONT color="green">361</FONT> * <p><a name="line.361"></a> <FONT color="green">362</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.362"></a> <FONT color="green">363</FONT> *<a name="line.363"></a> <FONT color="green">364</FONT> * @param v the value to lookup.<a name="line.364"></a> <FONT color="green">365</FONT> * @return the proportion of values equal to v<a name="line.365"></a> <FONT color="green">366</FONT> * @deprecated replaced by {@link #getCumFreq(Comparable)} as of 2.0<a name="line.366"></a> <FONT color="green">367</FONT> */<a name="line.367"></a> <FONT color="green">368</FONT> @Deprecated<a name="line.368"></a> <FONT color="green">369</FONT> public long getCumFreq(Object v) {<a name="line.369"></a> <FONT color="green">370</FONT> return getCumFreq((Comparable<?>) v);<a name="line.370"></a> <FONT color="green">371</FONT> }<a name="line.371"></a> <FONT color="green">372</FONT> <a name="line.372"></a> <FONT color="green">373</FONT> /**<a name="line.373"></a> <FONT color="green">374</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.374"></a> <FONT color="green">375</FONT> * <p><a name="line.375"></a> <FONT color="green">376</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.376"></a> <FONT color="green">377</FONT> *<a name="line.377"></a> <FONT color="green">378</FONT> * @param v the value to lookup.<a name="line.378"></a> <FONT color="green">379</FONT> * @return the proportion of values equal to v<a name="line.379"></a> <FONT color="green">380</FONT> */<a name="line.380"></a> <FONT color="green">381</FONT> public long getCumFreq(Comparable<?> v) {<a name="line.381"></a> <FONT color="green">382</FONT> if (getSumFreq() == 0) {<a name="line.382"></a> <FONT color="green">383</FONT> return 0;<a name="line.383"></a> <FONT color="green">384</FONT> }<a name="line.384"></a> <FONT color="green">385</FONT> if (v instanceof Integer) {<a name="line.385"></a> <FONT color="green">386</FONT> return getCumFreq(((Integer) v).longValue());<a name="line.386"></a> <FONT color="green">387</FONT> }<a name="line.387"></a> <FONT color="green">388</FONT> @SuppressWarnings("unchecked") // OK, freqTable is Comparable<?><a name="line.388"></a> <FONT color="green">389</FONT> Comparator<Comparable<?>> c = (Comparator<Comparable<?>>) freqTable.comparator();<a name="line.389"></a> <FONT color="green">390</FONT> if (c == null) {<a name="line.390"></a> <FONT color="green">391</FONT> c = new NaturalComparator();<a name="line.391"></a> <FONT color="green">392</FONT> }<a name="line.392"></a> <FONT color="green">393</FONT> long result = 0;<a name="line.393"></a> <FONT color="green">394</FONT> <a name="line.394"></a> <FONT color="green">395</FONT> try {<a name="line.395"></a> <FONT color="green">396</FONT> Long value = freqTable.get(v);<a name="line.396"></a> <FONT color="green">397</FONT> if (value != null) {<a name="line.397"></a> <FONT color="green">398</FONT> result = value.longValue();<a name="line.398"></a> <FONT color="green">399</FONT> }<a name="line.399"></a> <FONT color="green">400</FONT> } catch (ClassCastException ex) {<a name="line.400"></a> <FONT color="green">401</FONT> return result; // v is not comparable<a name="line.401"></a> <FONT color="green">402</FONT> }<a name="line.402"></a> <FONT color="green">403</FONT> <a name="line.403"></a> <FONT color="green">404</FONT> if (c.compare(v, freqTable.firstKey()) < 0) {<a name="line.404"></a> <FONT color="green">405</FONT> return 0; // v is comparable, but less than first value<a name="line.405"></a> <FONT color="green">406</FONT> }<a name="line.406"></a> <FONT color="green">407</FONT> <a name="line.407"></a> <FONT color="green">408</FONT> if (c.compare(v, freqTable.lastKey()) >= 0) {<a name="line.408"></a> <FONT color="green">409</FONT> return getSumFreq(); // v is comparable, but greater than the last value<a name="line.409"></a> <FONT color="green">410</FONT> }<a name="line.410"></a> <FONT color="green">411</FONT> <a name="line.411"></a> <FONT color="green">412</FONT> Iterator<Comparable<?>> values = valuesIterator();<a name="line.412"></a> <FONT color="green">413</FONT> while (values.hasNext()) {<a name="line.413"></a> <FONT color="green">414</FONT> Comparable<?> nextValue = values.next();<a name="line.414"></a> <FONT color="green">415</FONT> if (c.compare(v, nextValue) > 0) {<a name="line.415"></a> <FONT color="green">416</FONT> result += getCount(nextValue);<a name="line.416"></a> <FONT color="green">417</FONT> } else {<a name="line.417"></a> <FONT color="green">418</FONT> return result;<a name="line.418"></a> <FONT color="green">419</FONT> }<a name="line.419"></a> <FONT color="green">420</FONT> }<a name="line.420"></a> <FONT color="green">421</FONT> return result;<a name="line.421"></a> <FONT color="green">422</FONT> }<a name="line.422"></a> <FONT color="green">423</FONT> <a name="line.423"></a> <FONT color="green">424</FONT> /**<a name="line.424"></a> <FONT color="green">425</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.425"></a> <FONT color="green">426</FONT> * <p><a name="line.426"></a> <FONT color="green">427</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.427"></a> <FONT color="green">428</FONT> *<a name="line.428"></a> <FONT color="green">429</FONT> * @param v the value to lookup<a name="line.429"></a> <FONT color="green">430</FONT> * @return the proportion of values equal to v<a name="line.430"></a> <FONT color="green">431</FONT> */<a name="line.431"></a> <FONT color="green">432</FONT> public long getCumFreq(int v) {<a name="line.432"></a> <FONT color="green">433</FONT> return getCumFreq(Long.valueOf(v));<a name="line.433"></a> <FONT color="green">434</FONT> }<a name="line.434"></a> <FONT color="green">435</FONT> <a name="line.435"></a> <FONT color="green">436</FONT> /**<a name="line.436"></a> <FONT color="green">437</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.437"></a> <FONT color="green">438</FONT> * <p><a name="line.438"></a> <FONT color="green">439</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.439"></a> <FONT color="green">440</FONT> *<a name="line.440"></a> <FONT color="green">441</FONT> * @param v the value to lookup<a name="line.441"></a> <FONT color="green">442</FONT> * @return the proportion of values equal to v<a name="line.442"></a> <FONT color="green">443</FONT> */<a name="line.443"></a> <FONT color="green">444</FONT> public long getCumFreq(long v) {<a name="line.444"></a> <FONT color="green">445</FONT> return getCumFreq(Long.valueOf(v));<a name="line.445"></a> <FONT color="green">446</FONT> }<a name="line.446"></a> <FONT color="green">447</FONT> <a name="line.447"></a> <FONT color="green">448</FONT> /**<a name="line.448"></a> <FONT color="green">449</FONT> * Returns the cumulative frequency of values less than or equal to v.<a name="line.449"></a> <FONT color="green">450</FONT> * <p><a name="line.450"></a> <FONT color="green">451</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.451"></a> <FONT color="green">452</FONT> *<a name="line.452"></a> <FONT color="green">453</FONT> * @param v the value to lookup<a name="line.453"></a> <FONT color="green">454</FONT> * @return the proportion of values equal to v<a name="line.454"></a> <FONT color="green">455</FONT> */<a name="line.455"></a> <FONT color="green">456</FONT> public long getCumFreq(char v) {<a name="line.456"></a> <FONT color="green">457</FONT> return getCumFreq(Character.valueOf(v));<a name="line.457"></a> <FONT color="green">458</FONT> }<a name="line.458"></a> <FONT color="green">459</FONT> <a name="line.459"></a> <FONT color="green">460</FONT> //----------------------------------------------------------------------------------------------<a name="line.460"></a> <FONT color="green">461</FONT> <a name="line.461"></a> <FONT color="green">462</FONT> /**<a name="line.462"></a> <FONT color="green">463</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.463"></a> <FONT color="green">464</FONT> * (as a proportion between 0 and 1).<a name="line.464"></a> <FONT color="green">465</FONT> * <p><a name="line.465"></a> <FONT color="green">466</FONT> * Returns <code>Double.NaN</code> if no values have been added.<a name="line.466"></a> <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> <FONT color="green">468</FONT> * to the values set.</p><a name="line.468"></a> <FONT color="green">469</FONT> *<a name="line.469"></a> <FONT color="green">470</FONT> * @param v the value to lookup<a name="line.470"></a> <FONT color="green">471</FONT> * @return the proportion of values less than or equal to v<a name="line.471"></a> <FONT color="green">472</FONT> * @deprecated replaced by {@link #getCumPct(Comparable)} as of 2.0<a name="line.472"></a> <FONT color="green">473</FONT> */<a name="line.473"></a> <FONT color="green">474</FONT> @Deprecated<a name="line.474"></a> <FONT color="green">475</FONT> public double getCumPct(Object v) {<a name="line.475"></a> <FONT color="green">476</FONT> return getCumPct((Comparable<?>) v);<a name="line.476"></a> <FONT color="green">477</FONT> <a name="line.477"></a> <FONT color="green">478</FONT> }<a name="line.478"></a> <FONT color="green">479</FONT> <a name="line.479"></a> <FONT color="green">480</FONT> /**<a name="line.480"></a> <FONT color="green">481</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.481"></a> <FONT color="green">482</FONT> * (as a proportion between 0 and 1).<a name="line.482"></a> <FONT color="green">483</FONT> * <p><a name="line.483"></a> <FONT color="green">484</FONT> * Returns <code>Double.NaN</code> if no values have been added.<a name="line.484"></a> <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> <FONT color="green">486</FONT> * to the values set.</p><a name="line.486"></a> <FONT color="green">487</FONT> *<a name="line.487"></a> <FONT color="green">488</FONT> * @param v the value to lookup<a name="line.488"></a> <FONT color="green">489</FONT> * @return the proportion of values less than or equal to v<a name="line.489"></a> <FONT color="green">490</FONT> */<a name="line.490"></a> <FONT color="green">491</FONT> public double getCumPct(Comparable<?> v) {<a name="line.491"></a> <FONT color="green">492</FONT> final long sumFreq = getSumFreq();<a name="line.492"></a> <FONT color="green">493</FONT> if (sumFreq == 0) {<a name="line.493"></a> <FONT color="green">494</FONT> return Double.NaN;<a name="line.494"></a> <FONT color="green">495</FONT> }<a name="line.495"></a> <FONT color="green">496</FONT> return (double) getCumFreq(v) / (double) sumFreq;<a name="line.496"></a> <FONT color="green">497</FONT> }<a name="line.497"></a> <FONT color="green">498</FONT> <a name="line.498"></a> <FONT color="green">499</FONT> /**<a name="line.499"></a> <FONT color="green">500</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.500"></a> <FONT color="green">501</FONT> * (as a proportion between 0 and 1).<a name="line.501"></a> <FONT color="green">502</FONT> * <p><a name="line.502"></a> <FONT color="green">503</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.503"></a> <FONT color="green">504</FONT> *<a name="line.504"></a> <FONT color="green">505</FONT> * @param v the value to lookup<a name="line.505"></a> <FONT color="green">506</FONT> * @return the proportion of values less than or equal to v<a name="line.506"></a> <FONT color="green">507</FONT> */<a name="line.507"></a> <FONT color="green">508</FONT> public double getCumPct(int v) {<a name="line.508"></a> <FONT color="green">509</FONT> return getCumPct(Long.valueOf(v));<a name="line.509"></a> <FONT color="green">510</FONT> }<a name="line.510"></a> <FONT color="green">511</FONT> <a name="line.511"></a> <FONT color="green">512</FONT> /**<a name="line.512"></a> <FONT color="green">513</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.513"></a> <FONT color="green">514</FONT> * (as a proportion between 0 and 1).<a name="line.514"></a> <FONT color="green">515</FONT> * <p><a name="line.515"></a> <FONT color="green">516</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.516"></a> <FONT color="green">517</FONT> *<a name="line.517"></a> <FONT color="green">518</FONT> * @param v the value to lookup<a name="line.518"></a> <FONT color="green">519</FONT> * @return the proportion of values less than or equal to v<a name="line.519"></a> <FONT color="green">520</FONT> */<a name="line.520"></a> <FONT color="green">521</FONT> public double getCumPct(long v) {<a name="line.521"></a> <FONT color="green">522</FONT> return getCumPct(Long.valueOf(v));<a name="line.522"></a> <FONT color="green">523</FONT> }<a name="line.523"></a> <FONT color="green">524</FONT> <a name="line.524"></a> <FONT color="green">525</FONT> /**<a name="line.525"></a> <FONT color="green">526</FONT> * Returns the cumulative percentage of values less than or equal to v<a name="line.526"></a> <FONT color="green">527</FONT> * (as a proportion between 0 and 1).<a name="line.527"></a> <FONT color="green">528</FONT> * <p><a name="line.528"></a> <FONT color="green">529</FONT> * Returns 0 if v is not comparable to the values set.</p><a name="line.529"></a> <FONT color="green">530</FONT> *<a name="line.530"></a> <FONT color="green">531</FONT> * @param v the value to lookup<a name="line.531"></a> <FONT color="green">532</FONT> * @return the proportion of values less than or equal to v<a name="line.532"></a> <FONT color="green">533</FONT> */<a name="line.533"></a> <FONT color="green">534</FONT> public double getCumPct(char v) {<a name="line.534"></a> <FONT color="green">535</FONT> return getCumPct(Character.valueOf(v));<a name="line.535"></a> <FONT color="green">536</FONT> }<a name="line.536"></a> <FONT color="green">537</FONT> <a name="line.537"></a> <FONT color="green">538</FONT> /**<a name="line.538"></a> <FONT color="green">539</FONT> * A Comparator that compares comparable objects using the<a name="line.539"></a> <FONT color="green">540</FONT> * natural order. Copied from Commons Collections ComparableComparator.<a name="line.540"></a> <FONT color="green">541</FONT> */<a name="line.541"></a> <FONT color="green">542</FONT> private static class NaturalComparator<T extends Comparable<T>> implements Comparator<Comparable<T>>, Serializable {<a name="line.542"></a> <FONT color="green">543</FONT> <a name="line.543"></a> <FONT color="green">544</FONT> /** Serializable version identifier */<a name="line.544"></a> <FONT color="green">545</FONT> private static final long serialVersionUID = -3852193713161395148L;<a name="line.545"></a> <FONT color="green">546</FONT> <a name="line.546"></a> <FONT color="green">547</FONT> /**<a name="line.547"></a> <FONT color="green">548</FONT> * Compare the two {@link Comparable Comparable} arguments.<a name="line.548"></a> <FONT color="green">549</FONT> * This method is equivalent to:<a name="line.549"></a> <FONT color="green">550</FONT> * <pre>(({@link Comparable Comparable})o1).{@link Comparable#compareTo compareTo}(o2)</pre><a name="line.550"></a> <FONT color="green">551</FONT> *<a name="line.551"></a> <FONT color="green">552</FONT> * @param o1 the first object<a name="line.552"></a> <FONT color="green">553</FONT> * @param o2 the second object<a name="line.553"></a> <FONT color="green">554</FONT> * @return result of comparison<a name="line.554"></a> <FONT color="green">555</FONT> * @throws NullPointerException when <i>o1</i> is <code>null</code>,<a name="line.555"></a> <FONT color="green">556</FONT> * or when <code>((Comparable)o1).compareTo(o2)</code> does<a name="line.556"></a> <FONT color="green">557</FONT> * @throws ClassCastException when <i>o1</i> is not a {@link Comparable Comparable},<a name="line.557"></a> <FONT color="green">558</FONT> * or when <code>((Comparable)o1).compareTo(o2)</code> does<a name="line.558"></a> <FONT color="green">559</FONT> */<a name="line.559"></a> <FONT color="green">560</FONT> @SuppressWarnings("unchecked") // cast to (T) may throw ClassCastException, see Javadoc<a name="line.560"></a> <FONT color="green">561</FONT> public int compare(Comparable<T> o1, Comparable<T> o2) {<a name="line.561"></a> <FONT color="green">562</FONT> return o1.compareTo((T) o2);<a name="line.562"></a> <FONT color="green">563</FONT> }<a name="line.563"></a> <FONT color="green">564</FONT> }<a name="line.564"></a> <FONT color="green">565</FONT> <a name="line.565"></a> <FONT color="green">566</FONT> /** {@inheritDoc} */<a name="line.566"></a> <FONT color="green">567</FONT> @Override<a name="line.567"></a> <FONT color="green">568</FONT> public int hashCode() {<a name="line.568"></a> <FONT color="green">569</FONT> final int prime = 31;<a name="line.569"></a> <FONT color="green">570</FONT> int result = 1;<a name="line.570"></a> <FONT color="green">571</FONT> result = prime * result +<a name="line.571"></a> <FONT color="green">572</FONT> ((freqTable == null) ? 0 : freqTable.hashCode());<a name="line.572"></a> <FONT color="green">573</FONT> return result;<a name="line.573"></a> <FONT color="green">574</FONT> }<a name="line.574"></a> <FONT color="green">575</FONT> <a name="line.575"></a> <FONT color="green">576</FONT> /** {@inheritDoc} */<a name="line.576"></a> <FONT color="green">577</FONT> @Override<a name="line.577"></a> <FONT color="green">578</FONT> public boolean equals(Object obj) {<a name="line.578"></a> <FONT color="green">579</FONT> if (this == obj)<a name="line.579"></a> <FONT color="green">580</FONT> return true;<a name="line.580"></a> <FONT color="green">581</FONT> if (!(obj instanceof Frequency))<a name="line.581"></a> <FONT color="green">582</FONT> return false;<a name="line.582"></a> <FONT color="green">583</FONT> Frequency other = (Frequency) obj;<a name="line.583"></a> <FONT color="green">584</FONT> if (freqTable == null) {<a name="line.584"></a> <FONT color="green">585</FONT> if (other.freqTable != null)<a name="line.585"></a> <FONT color="green">586</FONT> return false;<a name="line.586"></a> <FONT color="green">587</FONT> } else if (!freqTable.equals(other.freqTable))<a name="line.587"></a> <FONT color="green">588</FONT> return false;<a name="line.588"></a> <FONT color="green">589</FONT> return true;<a name="line.589"></a> <FONT color="green">590</FONT> }<a name="line.590"></a> <FONT color="green">591</FONT> <a name="line.591"></a> <FONT color="green">592</FONT> }<a name="line.592"></a> </PRE> </BODY> </HTML>