binc45split.html

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<PRE>
public <B>BinC45Split</B>(int&nbsp;attIndex,
                   int&nbsp;minNoObj,
                   double&nbsp;sumOfWeights)</PRE>
<DL>
<DD>Initializes the split model.
<P>
</DL>

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<B>Method Detail</B></FONT></TD>
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<A NAME="buildClassifier(weka.core.Instances)"><!-- --></A><H3>
buildClassifier</H3>
<PRE>
public void <B>buildClassifier</B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;trainInstances)
                     throws java.lang.Exception</PRE>
<DL>
<DD>Creates a C4.5-type split on the given data.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#buildClassifier(weka.core.Instances)">buildClassifier</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL>
</DD>
</DL>
<HR>

<A NAME="attIndex()"><!-- --></A><H3>
attIndex</H3>
<PRE>
public final int <B>attIndex</B>()</PRE>
<DL>
<DD>Returns index of attribute for which split was generated.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="gainRatio()"><!-- --></A><H3>
gainRatio</H3>
<PRE>
public final double <B>gainRatio</B>()</PRE>
<DL>
<DD>Returns (C4.5-type) gain ratio for the generated split.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="classProb(int, weka.core.Instance, int)"><!-- --></A><H3>
classProb</H3>
<PRE>
public final double <B>classProb</B>(int&nbsp;classIndex,
                              <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;instance,
                              int&nbsp;theSubset)
                       throws java.lang.Exception</PRE>
<DL>
<DD>Gets class probability for instance.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#classProb(int, weka.core.Instance, int)">classProb</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL>
</DD>
</DL>
<HR>

<A NAME="infoGain()"><!-- --></A><H3>
infoGain</H3>
<PRE>
public final double <B>infoGain</B>()</PRE>
<DL>
<DD>Returns (C4.5-type) information gain for the generated split.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="leftSide(weka.core.Instances)"><!-- --></A><H3>
leftSide</H3>
<PRE>
public final java.lang.String <B>leftSide</B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;data)</PRE>
<DL>
<DD>Prints left side of condition..
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#leftSide(weka.core.Instances)">leftSide</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the data.</DL>
</DD>
</DL>
<HR>

<A NAME="rightSide(int, weka.core.Instances)"><!-- --></A><H3>
rightSide</H3>
<PRE>
public final java.lang.String <B>rightSide</B>(int&nbsp;index,
                                        <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;data)</PRE>
<DL>
<DD>Prints the condition satisfied by instances in a subset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#rightSide(int, weka.core.Instances)">rightSide</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - of subset and training set.</DL>
</DD>
</DL>
<HR>

<A NAME="sourceExpression(int, weka.core.Instances)"><!-- --></A><H3>
sourceExpression</H3>
<PRE>
public final java.lang.String <B>sourceExpression</B>(int&nbsp;index,
                                               <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;data)</PRE>
<DL>
<DD>Returns a string containing java source code equivalent to the test
 made at this node. The instance being tested is called "i".
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#sourceExpression(int, weka.core.Instances)">sourceExpression</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - index of the nominal value tested<DD><CODE>data</CODE> - the data containing instance structure info
<DT><B>Returns:</B><DD>a value of type 'String'</DL>
</DD>
</DL>
<HR>

<A NAME="setSplitPoint(weka.core.Instances)"><!-- --></A><H3>
setSplitPoint</H3>
<PRE>
public final void <B>setSplitPoint</B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;allInstances)</PRE>
<DL>
<DD>Sets split point to greatest value in given data smaller or equal to
 old split point.
 (C4.5 does this for some strange reason).
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="resetDistribution(weka.core.Instances)"><!-- --></A><H3>
resetDistribution</H3>
<PRE>
public void <B>resetDistribution</B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;data)
                       throws java.lang.Exception</PRE>
<DL>
<DD>Sets distribution associated with model.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#resetDistribution(weka.core.Instances)">resetDistribution</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="weights(weka.core.Instance)"><!-- --></A><H3>
weights</H3>
<PRE>
public final double[] <B>weights</B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;instance)</PRE>
<DL>
<DD>Returns weights if instance is assigned to more than one subset.
 Returns null if instance is only assigned to one subset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#weights(weka.core.Instance)">weights</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="whichSubset(weka.core.Instance)"><!-- --></A><H3>
whichSubset</H3>
<PRE>
public final int <B>whichSubset</B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;instance)
                      throws java.lang.Exception</PRE>
<DL>
<DD>Returns index of subset instance is assigned to.
 Returns -1 if instance is assigned to more than one subset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#whichSubset(weka.core.Instance)">whichSubset</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL>
</DD>
</DL>
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