geneticsearch.html

< 数据挖掘--实用机器学习技术及java实现> 一书结合数据挖掘和机器学习的知识,作者陈述了自动挖掘模式的基础理论,并且以java语言实现了具有代表性的各类数据挖掘方法.例如:class

</DL>
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<A NAME="setReportFrequency(int)"><!-- --></A><H3>
setReportFrequency</H3>
<PRE>
public void <B>setReportFrequency</B>(int&nbsp;f)</PRE>
<DL>
<DD>set how often reports are generated<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>f</CODE> - generate reports every f generations</DL>
</DD>
</DL>
<HR>

<A NAME="getReportFrequency()"><!-- --></A><H3>
getReportFrequency</H3>
<PRE>
public int <B>getReportFrequency</B>()</PRE>
<DL>
<DD>get how often repports are generated<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>how often reports are generated</DL>
</DD>
</DL>
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<A NAME="mutationProbTipText()"><!-- --></A><H3>
mutationProbTipText</H3>
<PRE>
public java.lang.String <B>mutationProbTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="setMutationProb(double)"><!-- --></A><H3>
setMutationProb</H3>
<PRE>
public void <B>setMutationProb</B>(double&nbsp;m)</PRE>
<DL>
<DD>set the probability of mutation<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>m</CODE> - the probability for mutation occuring</DL>
</DD>
</DL>
<HR>

<A NAME="getMutationProb()"><!-- --></A><H3>
getMutationProb</H3>
<PRE>
public double <B>getMutationProb</B>()</PRE>
<DL>
<DD>get the probability of mutation<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the probability of mutation occuring</DL>
</DD>
</DL>
<HR>

<A NAME="crossoverProbTipText()"><!-- --></A><H3>
crossoverProbTipText</H3>
<PRE>
public java.lang.String <B>crossoverProbTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="setCrossoverProb(double)"><!-- --></A><H3>
setCrossoverProb</H3>
<PRE>
public void <B>setCrossoverProb</B>(double&nbsp;c)</PRE>
<DL>
<DD>set the probability of crossover<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - the probability that two population members will exchange
 genetic material</DL>
</DD>
</DL>
<HR>

<A NAME="getCrossoverProb()"><!-- --></A><H3>
getCrossoverProb</H3>
<PRE>
public double <B>getCrossoverProb</B>()</PRE>
<DL>
<DD>get the probability of crossover<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the probability of crossover</DL>
</DD>
</DL>
<HR>

<A NAME="maxGenerationsTipText()"><!-- --></A><H3>
maxGenerationsTipText</H3>
<PRE>
public java.lang.String <B>maxGenerationsTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="setMaxGenerations(int)"><!-- --></A><H3>
setMaxGenerations</H3>
<PRE>
public void <B>setMaxGenerations</B>(int&nbsp;m)</PRE>
<DL>
<DD>set the number of generations to evaluate<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>m</CODE> - the number of generations</DL>
</DD>
</DL>
<HR>

<A NAME="getMaxGenerations()"><!-- --></A><H3>
getMaxGenerations</H3>
<PRE>
public int <B>getMaxGenerations</B>()</PRE>
<DL>
<DD>get the number of generations<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the maximum number of generations</DL>
</DD>
</DL>
<HR>

<A NAME="populationSizeTipText()"><!-- --></A><H3>
populationSizeTipText</H3>
<PRE>
public java.lang.String <B>populationSizeTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="setPopulationSize(int)"><!-- --></A><H3>
setPopulationSize</H3>
<PRE>
public void <B>setPopulationSize</B>(int&nbsp;p)</PRE>
<DL>
<DD>set the population size<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>p</CODE> - the size of the population</DL>
</DD>
</DL>
<HR>

<A NAME="getPopulationSize()"><!-- --></A><H3>
getPopulationSize</H3>
<PRE>
public int <B>getPopulationSize</B>()</PRE>
<DL>
<DD>get the size of the population<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the population size</DL>
</DD>
</DL>
<HR>

<A NAME="globalInfo()"><!-- --></A><H3>
globalInfo</H3>
<PRE>
public java.lang.String <B>globalInfo</B>()</PRE>
<DL>
<DD>Returns a string describing this search method<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a description of the search suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>returns a description of the search<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a description of the search as a String</DL>
</DD>
</DL>
<HR>

<A NAME="search(weka.attributeSelection.ASEvaluation, weka.core.Instances)"><!-- --></A><H3>
search</H3>
<PRE>
public int[] <B>search</B>(<A HREF="../../weka/attributeSelection/ASEvaluation.html">ASEvaluation</A>&nbsp;ASEval,
                    <A HREF="../../weka/core/Instances.html">Instances</A>&nbsp;data)
             throws java.lang.Exception</PRE>
<DL>
<DD>Searches the attribute subset space using a genetic algorithm.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/attributeSelection/ASSearch.html#search(weka.attributeSelection.ASEvaluation, weka.core.Instances)">search</A></CODE> in class <CODE><A HREF="../../weka/attributeSelection/ASSearch.html">ASSearch</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ASEvaluator</CODE> - the attribute evaluator to guide the search<DD><CODE>data</CODE> - the training instances.<DT><B>Returns:</B><DD>an array (not necessarily ordered) of selected attribute indexes<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if the search can't be completed</DL>
</DD>
</DL>
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