twowaynominalsplit.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

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="TwoWayNominalSplit(int, int)"><!-- --></A><H3>
TwoWayNominalSplit</H3>
<PRE>
public <B>TwoWayNominalSplit</B>(int&nbsp;_attIndex,
                          int&nbsp;_trueSplitValue)</PRE>
<DL>
<DD>Creates a new two-way nominal splitter.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>_attIndex</CODE> - the index of the attribute this split depeneds on<DD><CODE>_trueSplitValue</CODE> - the attribute value that the splitter splits on</DL>
</DD>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="getNumOfBranches()"><!-- --></A><H3>
getNumOfBranches</H3>
<PRE>
public int <B>getNumOfBranches</B>()</PRE>
<DL>
<DD>Gets the number of branches of the split.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html#getNumOfBranches()">getNumOfBranches</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the number of branches (always = 2)</DL>
</DD>
</DL>
<HR>

<A NAME="branchInstanceGoesDown(weka.core.Instance)"><!-- --></A><H3>
branchInstanceGoesDown</H3>
<PRE>
public int <B>branchInstanceGoesDown</B>(<A HREF="../../../weka/core/Instance.html">Instance</A>&nbsp;inst)</PRE>
<DL>
<DD>Gets the index of the branch that an instance applies to. Returns -1 if no branches
 apply.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html#branchInstanceGoesDown(weka.core.Instance)">branchInstanceGoesDown</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>i</CODE> - the instance<DT><B>Returns:</B><DD>the branch index</DL>
</DD>
</DL>
<HR>

<A NAME="instancesDownBranch(int, weka.core.Instances)"><!-- --></A><H3>
instancesDownBranch</H3>
<PRE>
public <A HREF="../../../weka/classifiers/adtree/ReferenceInstances.html">ReferenceInstances</A> <B>instancesDownBranch</B>(int&nbsp;branch,
                                              <A HREF="../../../weka/core/Instances.html">Instances</A>&nbsp;instances)</PRE>
<DL>
<DD>Gets the subset of instances that apply to a particluar branch of the split. If the
 branch index is -1, the subset will consist of those instances that don't apply to
 any branch.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html#instancesDownBranch(int, weka.core.Instances)">instancesDownBranch</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>branch</CODE> - the index of the branch<DD><CODE>sourceInstances</CODE> - the instances from which to find the subset<DT><B>Returns:</B><DD>the set of instances that apply</DL>
</DD>
</DL>
<HR>

<A NAME="attributeString(weka.core.Instances)"><!-- --></A><H3>
attributeString</H3>
<PRE>
public java.lang.String <B>attributeString</B>(<A HREF="../../../weka/core/Instances.html">Instances</A>&nbsp;dataset)</PRE>
<DL>
<DD>Gets the string describing the attributes the split depends on.
 i.e. the left hand side of the description of the split.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html#attributeString(weka.core.Instances)">attributeString</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dataset</CODE> - the dataset that the split is based on<DT><B>Returns:</B><DD>a string describing the attributes</DL>
</DD>
</DL>
<HR>

<A NAME="comparisonString(int, weka.core.Instances)"><!-- --></A><H3>
comparisonString</H3>
<PRE>
public java.lang.String <B>comparisonString</B>(int&nbsp;branchNum,
                                         <A HREF="../../../weka/core/Instances.html">Instances</A>&nbsp;dataset)</PRE>
<DL>
<DD>Gets the string describing the comparision the split depends on for a particular
 branch. i.e. the right hand side of the description of the split.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html#comparisonString(int, weka.core.Instances)">comparisonString</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>branchNum</CODE> - the branch of the split<DD><CODE>dataset</CODE> - the dataset that the split is based on<DT><B>Returns:</B><DD>a string describing the comparison</DL>
</DD>
</DL>
<HR>

<A NAME="equalTo(weka.classifiers.adtree.Splitter)"><!-- --></A><H3>
equalTo</H3>
<PRE>
public boolean <B>equalTo</B>(<A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A>&nbsp;compare)</PRE>
<DL>
<DD>Tests whether two splitters are equivalent.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html#equalTo(weka.classifiers.adtree.Splitter)">equalTo</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>compare</CODE> - the splitter to compare with<DT><B>Returns:</B><DD>whether or not they match</DL>
</DD>
</DL>
<HR>

<A NAME="setChildForBranch(int, weka.classifiers.adtree.PredictionNode)"><!-- --></A><H3>
setChildForBranch</H3>
<PRE>
public void <B>setChildForBranch</B>(int&nbsp;branchNum,
                              <A HREF="../../../weka/classifiers/adtree/PredictionNode.html">PredictionNode</A>&nbsp;childPredictor)</PRE>
<DL>
<DD>Sets the child for a branch of the split.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html#setChildForBranch(int, weka.classifiers.adtree.PredictionNode)">setChildForBranch</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>branchNum</CODE> - the branch to set the child for<DD><CODE>childPredictor</CODE> - the new child</DL>
</DD>
</DL>
<HR>

<A NAME="getChildForBranch(int)"><!-- --></A><H3>
getChildForBranch</H3>
<PRE>
public <A HREF="../../../weka/classifiers/adtree/PredictionNode.html">PredictionNode</A> <B>getChildForBranch</B>(int&nbsp;branchNum)</PRE>
<DL>
<DD>Gets the child for a branch of the split.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html#getChildForBranch(int)">getChildForBranch</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>branchNum</CODE> - the branch to get the child for<DT><B>Returns:</B><DD>the child</DL>
</DD>
</DL>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <B>clone</B>()</PRE>
<DL>
<DD>Clones this node. Performs a deep copy, recursing through the tree.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html#clone()">clone</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/adtree/Splitter.html">Splitter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a clone</DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>

<!-- ========== START OF NAVBAR ========== -->
<A NAME="navbar_bottom"><!-- --></A>
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0">
<TR>
<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
<A NAME="navbar_bottom_firstrow"><!-- --></A>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3">
  <TR ALIGN="center" VALIGN="top">
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
  </TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>

<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../weka/classifiers/adtree/Splitter.html"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../weka/classifiers/adtree/TwoWayNumericSplit.html"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
  <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A>  &nbsp;
&nbsp;<A HREF="TwoWayNominalSplit.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD>
</TR>
<TR>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
  SUMMARY: &nbsp;INNER&nbsp;|&nbsp;<A HREF="#fields_inherited_from_class_weka.classifiers.adtree.Splitter">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL: &nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<!-- =========== END OF NAVBAR =========== -->

<HR>

</BODY>
</HTML>