yongsplitinfo.html

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<A NAME="YongSplitInfo(int, int, int)"><!-- --></A><H3>
YongSplitInfo</H3>
<PRE>
public <B>YongSplitInfo</B>(int&nbsp;low,
                     int&nbsp;high,
                     int&nbsp;attr)</PRE>
<DL>
<DD>Constructs an object which contains the split information
<P>
<DT><B>Parameters:</B><DD><CODE>low</CODE> - the index of the first instance<DD><CODE>high</CODE> - the index of the last instance<DD><CODE>attr</CODE> - an attribute</DL>

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<A NAME="copy()"><!-- --></A><H3>
copy</H3>
<PRE>
public final <A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html" title="interface in weka.classifiers.trees.m5">SplitEvaluate</A> <B>copy</B>()
                         throws java.lang.Exception</PRE>
<DL>
<DD>Makes a copy of this SplitInfo object
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html#copy()">copy</A></CODE> in interface <CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html" title="interface in weka.classifiers.trees.m5">SplitEvaluate</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a copy of the object
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="initialize(int, int, int)"><!-- --></A><H3>
initialize</H3>
<PRE>
public final void <B>initialize</B>(int&nbsp;low,
                             int&nbsp;high,
                             int&nbsp;attr)</PRE>
<DL>
<DD>Resets the object of split information
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>low</CODE> - the index of the first instance<DD><CODE>high</CODE> - the index of the last instance<DD><CODE>attr</CODE> - the attribute</DL>
</DD>
</DL>
<HR>

<A NAME="toString(weka.core.Instances)"><!-- --></A><H3>
toString</H3>
<PRE>
public final java.lang.String <B>toString</B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;inst)</PRE>
<DL>
<DD>Converts the spliting information to string
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>inst</CODE> - the instances</DL>
</DD>
</DL>
<HR>

<A NAME="attrSplit(int, weka.core.Instances)"><!-- --></A><H3>
attrSplit</H3>
<PRE>
public final void <B>attrSplit</B>(int&nbsp;attr,
                            <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;inst)
                     throws java.lang.Exception</PRE>
<DL>
<DD>Finds the best splitting point for an attribute in the instances
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html#attrSplit(int, weka.core.Instances)">attrSplit</A></CODE> in interface <CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html" title="interface in weka.classifiers.trees.m5">SplitEvaluate</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attr</CODE> - the splitting attribute<DD><CODE>inst</CODE> - the instances
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL>
</DD>
</DL>
<HR>

<A NAME="maxImpurity()"><!-- --></A><H3>
maxImpurity</H3>
<PRE>
public double <B>maxImpurity</B>()</PRE>
<DL>
<DD>Returns the impurity of this split
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html#maxImpurity()">maxImpurity</A></CODE> in interface <CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html" title="interface in weka.classifiers.trees.m5">SplitEvaluate</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the impurity of this split</DL>
</DD>
</DL>
<HR>

<A NAME="splitAttr()"><!-- --></A><H3>
splitAttr</H3>
<PRE>
public int <B>splitAttr</B>()</PRE>
<DL>
<DD>Returns the attribute used in this split
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html#splitAttr()">splitAttr</A></CODE> in interface <CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html" title="interface in weka.classifiers.trees.m5">SplitEvaluate</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the attribute used in this split</DL>
</DD>
</DL>
<HR>

<A NAME="position()"><!-- --></A><H3>
position</H3>
<PRE>
public int <B>position</B>()</PRE>
<DL>
<DD>Returns the position of the split in the sorted values. -1 indicates that
 a split could not be found.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html#position()">position</A></CODE> in interface <CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html" title="interface in weka.classifiers.trees.m5">SplitEvaluate</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an <code>int</code> value</DL>
</DD>
</DL>
<HR>

<A NAME="splitValue()"><!-- --></A><H3>
splitValue</H3>
<PRE>
public double <B>splitValue</B>()</PRE>
<DL>
<DD>Returns the split value
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html#splitValue()">splitValue</A></CODE> in interface <CODE><A HREF="../../../../weka/classifiers/trees/m5/SplitEvaluate.html" title="interface in weka.classifiers.trees.m5">SplitEvaluate</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the split value</DL>
</DD>
</DL>
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