j48.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>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the size of the tree</DL>
</DD>
</DL>
<HR>

<A NAME="measureNumLeaves()"><!-- --></A><H3>
measureNumLeaves</H3>
<PRE>
public double <B>measureNumLeaves</B>()</PRE>
<DL>
<DD>Returns the number of leaves<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the number of leaves</DL>
</DD>
</DL>
<HR>

<A NAME="measureNumRules()"><!-- --></A><H3>
measureNumRules</H3>
<PRE>
public double <B>measureNumRules</B>()</PRE>
<DL>
<DD>Returns the number of rules (same as number of leaves)<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the number of rules</DL>
</DD>
</DL>
<HR>

<A NAME="enumerateMeasures()"><!-- --></A><H3>
enumerateMeasures</H3>
<PRE>
public java.util.Enumeration <B>enumerateMeasures</B>()</PRE>
<DL>
<DD>Returns an enumeration of the additional measure names<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../weka/core/AdditionalMeasureProducer.html#enumerateMeasures()">enumerateMeasures</A></CODE> in interface <CODE><A HREF="../../../weka/core/AdditionalMeasureProducer.html">AdditionalMeasureProducer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an enumeration of the measure names</DL>
</DD>
</DL>
<HR>

<A NAME="getMeasure(java.lang.String)"><!-- --></A><H3>
getMeasure</H3>
<PRE>
public double <B>getMeasure</B>(java.lang.String&nbsp;additionalMeasureName)</PRE>
<DL>
<DD>Returns the value of the named measure<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../weka/core/AdditionalMeasureProducer.html#getMeasure(java.lang.String)">getMeasure</A></CODE> in interface <CODE><A HREF="../../../weka/core/AdditionalMeasureProducer.html">AdditionalMeasureProducer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>measureName</CODE> - the name of the measure to query for its value<DT><B>Returns:</B><DD>the value of the named measure<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - if the named measure is not supported</DL>
</DD>
</DL>
<HR>

<A NAME="getUnpruned()"><!-- --></A><H3>
getUnpruned</H3>
<PRE>
public boolean <B>getUnpruned</B>()</PRE>
<DL>
<DD>Get the value of unpruned.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Value of unpruned.</DL>
</DD>
</DL>
<HR>

<A NAME="setUnpruned(boolean)"><!-- --></A><H3>
setUnpruned</H3>
<PRE>
public void <B>setUnpruned</B>(boolean&nbsp;v)</PRE>
<DL>
<DD>Set the value of unpruned. Turns reduced-error pruning
 off if set.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - Value to assign to unpruned.</DL>
</DD>
</DL>
<HR>

<A NAME="getConfidenceFactor()"><!-- --></A><H3>
getConfidenceFactor</H3>
<PRE>
public float <B>getConfidenceFactor</B>()</PRE>
<DL>
<DD>Get the value of CF.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Value of CF.</DL>
</DD>
</DL>
<HR>

<A NAME="setConfidenceFactor(float)"><!-- --></A><H3>
setConfidenceFactor</H3>
<PRE>
public void <B>setConfidenceFactor</B>(float&nbsp;v)</PRE>
<DL>
<DD>Set the value of CF.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - Value to assign to CF.</DL>
</DD>
</DL>
<HR>

<A NAME="getMinNumObj()"><!-- --></A><H3>
getMinNumObj</H3>
<PRE>
public int <B>getMinNumObj</B>()</PRE>
<DL>
<DD>Get the value of minNumObj.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Value of minNumObj.</DL>
</DD>
</DL>
<HR>

<A NAME="setMinNumObj(int)"><!-- --></A><H3>
setMinNumObj</H3>
<PRE>
public void <B>setMinNumObj</B>(int&nbsp;v)</PRE>
<DL>
<DD>Set the value of minNumObj.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - Value to assign to minNumObj.</DL>
</DD>
</DL>
<HR>

<A NAME="getReducedErrorPruning()"><!-- --></A><H3>
getReducedErrorPruning</H3>
<PRE>
public boolean <B>getReducedErrorPruning</B>()</PRE>
<DL>
<DD>Get the value of reducedErrorPruning.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Value of reducedErrorPruning.</DL>
</DD>
</DL>
<HR>

<A NAME="setReducedErrorPruning(boolean)"><!-- --></A><H3>
setReducedErrorPruning</H3>
<PRE>
public void <B>setReducedErrorPruning</B>(boolean&nbsp;v)</PRE>
<DL>
<DD>Set the value of reducedErrorPruning. Turns
 unpruned trees off if set.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - Value to assign to reducedErrorPruning.</DL>
</DD>
</DL>
<HR>

<A NAME="getNumFolds()"><!-- --></A><H3>
getNumFolds</H3>
<PRE>
public int <B>getNumFolds</B>()</PRE>
<DL>
<DD>Get the value of numFolds.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Value of numFolds.</DL>
</DD>
</DL>
<HR>

<A NAME="setNumFolds(int)"><!-- --></A><H3>
setNumFolds</H3>
<PRE>
public void <B>setNumFolds</B>(int&nbsp;v)</PRE>
<DL>
<DD>Set the value of numFolds.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - Value to assign to numFolds.</DL>
</DD>
</DL>
<HR>

<A NAME="getBinarySplits()"><!-- --></A><H3>
getBinarySplits</H3>
<PRE>
public boolean <B>getBinarySplits</B>()</PRE>
<DL>
<DD>Get the value of binarySplits.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Value of binarySplits.</DL>
</DD>
</DL>
<HR>

<A NAME="setBinarySplits(boolean)"><!-- --></A><H3>
setBinarySplits</H3>
<PRE>
public void <B>setBinarySplits</B>(boolean&nbsp;v)</PRE>
<DL>
<DD>Set the value of binarySplits.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - Value to assign to binarySplits.</DL>
</DD>
</DL>
<HR>

<A NAME="getSubtreeRaising()"><!-- --></A><H3>
getSubtreeRaising</H3>
<PRE>
public boolean <B>getSubtreeRaising</B>()</PRE>
<DL>
<DD>Get the value of subtreeRaising.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Value of subtreeRaising.</DL>
</DD>
</DL>
<HR>

<A NAME="setSubtreeRaising(boolean)"><!-- --></A><H3>
setSubtreeRaising</H3>
<PRE>
public void <B>setSubtreeRaising</B>(boolean&nbsp;v)</PRE>
<DL>
<DD>Set the value of subtreeRaising.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - Value to assign to subtreeRaising.</DL>
</DD>
</DL>
<HR>

<A NAME="getSaveInstanceData()"><!-- --></A><H3>
getSaveInstanceData</H3>
<PRE>
public boolean <B>getSaveInstanceData</B>()</PRE>
<DL>
<DD>Check whether instance data is to be saved.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if instance data is saved</DL>
</DD>
</DL>
<HR>

<A NAME="setSaveInstanceData(boolean)"><!-- --></A><H3>
setSaveInstanceData</H3>
<PRE>
public void <B>setSaveInstanceData</B>(boolean&nbsp;v)</PRE>
<DL>
<DD>Set whether instance data is to be saved.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - true if instance data is to be saved</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;argv)</PRE>
<DL>
<DD>Main method for testing this class<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>String</CODE> - options</DL>
</DD>
</DL>
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