c45pruneableclassifiertree.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

</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_weka.classifiers.j48.ClassifierTree"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class weka.classifiers.j48.<A HREF="../../../weka/classifiers/j48/ClassifierTree.html">ClassifierTree</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../weka/classifiers/j48/ClassifierTree.html#assignIDs(int)">assignIDs</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#buildTree(weka.core.Instances, boolean)">buildTree</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#buildTree(weka.core.Instances, weka.core.Instances, boolean)">buildTree</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#classifyInstance(weka.core.Instance)">classifyInstance</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#cleanup(weka.core.Instances)">cleanup</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#distributionForInstance(weka.core.Instance, boolean)">distributionForInstance</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#getNewTree(weka.core.Instances, weka.core.Instances)">getNewTree</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#graph()">graph</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#nextID()">nextID</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#numLeaves()">numLeaves</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#numNodes()">numNodes</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#prefix()">prefix</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#resetID()">resetID</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#toSource(java.lang.String)">toSource</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#toString()">toString</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->


<!-- ========= 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="C45PruneableClassifierTree(weka.classifiers.j48.ModelSelection, boolean, float, boolean, boolean)"><!-- --></A><H3>
C45PruneableClassifierTree</H3>
<PRE>
public <B>C45PruneableClassifierTree</B>(<A HREF="../../../weka/classifiers/j48/ModelSelection.html">ModelSelection</A>&nbsp;toSelectLocModel,
                                  boolean&nbsp;pruneTree,
                                  float&nbsp;cf,
                                  boolean&nbsp;raiseTree,
                                  boolean&nbsp;cleanup)
                           throws java.lang.Exception</PRE>
<DL>
<DD>Constructor for pruneable tree structure. Stores reference
 to associated training data at each node.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>toSelectLocModel</CODE> - selection method for local splitting model<DD><CODE>pruneTree</CODE> - true if the tree is to be pruned<DD><CODE>cf</CODE> - the confidence factor for pruning<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if something goes wrong</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="buildClassifier(weka.core.Instances)"><!-- --></A><H3>
buildClassifier</H3>
<PRE>
public void <B>buildClassifier</B>(<A HREF="../../../weka/core/Instances.html">Instances</A>&nbsp;data)
                     throws java.lang.Exception</PRE>
<DL>
<DD>Method for building a pruneable classifier tree.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/j48/ClassifierTree.html#buildClassifier(weka.core.Instances)">buildClassifier</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/j48/ClassifierTree.html">ClassifierTree</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="collapse()"><!-- --></A><H3>
collapse</H3>
<PRE>
public final void <B>collapse</B>()</PRE>
<DL>
<DD>Collapses a tree to a node if training error doesn't increase.</DL>
<HR>

<A NAME="prune()"><!-- --></A><H3>
prune</H3>
<PRE>
public void <B>prune</B>()
           throws java.lang.Exception</PRE>
<DL>
<DD>Prunes a tree using C4.5's pruning procedure.<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL>
</DD>
</DL>
<HR>

<A NAME="getNewTree(weka.core.Instances)"><!-- --></A><H3>
getNewTree</H3>
<PRE>
protected <A HREF="../../../weka/classifiers/j48/ClassifierTree.html">ClassifierTree</A> <B>getNewTree</B>(<A HREF="../../../weka/core/Instances.html">Instances</A>&nbsp;data)
                             throws java.lang.Exception</PRE>
<DL>
<DD>Returns a newly created tree.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/j48/ClassifierTree.html#getNewTree(weka.core.Instances)">getNewTree</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/j48/ClassifierTree.html">ClassifierTree</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if something goes wrong</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/j48/C45ModelSelection.html"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../weka/classifiers/j48/C45PruneableDecList.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="C45PruneableClassifierTree.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.j48.ClassifierTree">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>