fttree.html

数据挖掘的最常用工具。由于开源

<DT><B>Returns:</B><DD>whether it has changed</DL>
</DD>
</DL>
<HR>

<A NAME="modelDistributionForInstance(weka.core.Instance)"><!-- --></A><H3>
modelDistributionForInstance</H3>
<PRE>
public double[] <B>modelDistributionForInstance</B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;instance)
                                      throws java.lang.Exception</PRE>
<DL>
<DD>Returns the class probabilities for an instance according to the logistic model at the node.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instance</CODE> - the instance
<DT><B>Returns:</B><DD>the array of probabilities
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="distributionForInstance(weka.core.Instance)"><!-- --></A><H3>
distributionForInstance</H3>
<PRE>
public abstract double[] <B>distributionForInstance</B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;instance)
                                          throws java.lang.Exception</PRE>
<DL>
<DD>Returns the class probabilities for an instance given by the Functional tree.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#distributionForInstance(weka.core.Instance)">distributionForInstance</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html" title="class in weka.classifiers.trees.lmt">LogisticBase</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instance</CODE> - the instance
<DT><B>Returns:</B><DD>the array of probabilities
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if distribution can't be computed successfully</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Returns a description of the Functional tree (tree structure and logistic models)
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html" title="class in weka.classifiers.trees.lmt">LogisticBase</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>describing string</DL>
</DD>
</DL>
<HR>

<A NAME="numLeaves()"><!-- --></A><H3>
numLeaves</H3>
<PRE>
public int <B>numLeaves</B>()</PRE>
<DL>
<DD>Returns the number of leaves (normal count).
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the number of leaves</DL>
</DD>
</DL>
<HR>

<A NAME="numNodes()"><!-- --></A><H3>
numNodes</H3>
<PRE>
public int <B>numNodes</B>()</PRE>
<DL>
<DD>Returns the number of nodes.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the number of nodes</DL>
</DD>
</DL>
<HR>

<A NAME="getModelParameters()"><!-- --></A><H3>
getModelParameters</H3>
<PRE>
public java.lang.String <B>getModelParameters</B>()</PRE>
<DL>
<DD>Returns a string describing the number of LogitBoost iterations performed at this node, the total number
 of LogitBoost iterations performed (including iterations at higher levels in the tree), and the number
 of training examples at this node.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the describing string</DL>
</DD>
</DL>
<HR>

<A NAME="assignIDs(int)"><!-- --></A><H3>
assignIDs</H3>
<PRE>
public int <B>assignIDs</B>(int&nbsp;lastID)</PRE>
<DL>
<DD>Assigns unique IDs to all nodes in the tree
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="assignLeafModelNumbers(int)"><!-- --></A><H3>
assignLeafModelNumbers</H3>
<PRE>
public int <B>assignLeafModelNumbers</B>(int&nbsp;leafCounter)</PRE>
<DL>
<DD>Assigns numbers to the logistic regression models at the leaves of the tree
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="modelsToString()"><!-- --></A><H3>
modelsToString</H3>
<PRE>
public java.lang.String <B>modelsToString</B>()</PRE>
<DL>
<DD>Returns a string describing the logistic regression function at the node.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="graph()"><!-- --></A><H3>
graph</H3>
<PRE>
public java.lang.String <B>graph</B>()
                       throws java.lang.Exception</PRE>
<DL>
<DD>Returns graph describing the tree.
<P>
<DD><DL>

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

<A NAME="cleanup()"><!-- --></A><H3>
cleanup</H3>
<PRE>
public void <B>cleanup</B>()</PRE>
<DL>
<DD>Cleanup in order to save memory.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#cleanup()">cleanup</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html" title="class in weka.classifiers.trees.lmt">LogisticBase</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getRevision()"><!-- --></A><H3>
getRevision</H3>
<PRE>
public java.lang.String <B>getRevision</B>()</PRE>
<DL>
<DD>Returns the revision string.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/core/RevisionHandler.html#getRevision()">getRevision</A></CODE> in interface <CODE><A HREF="../../../../weka/core/RevisionHandler.html" title="interface in weka.core">RevisionHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#getRevision()">getRevision</A></CODE> in class <CODE><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html" title="class in weka.classifiers.trees.lmt">LogisticBase</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the revision</DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>


<!-- ======= START OF BOTTOM NAVBAR ====== -->
<A NAME="navbar_bottom"><!-- --></A>
<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
<TR>
<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
<A NAME="navbar_bottom_firstrow"><!-- --></A>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
  <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> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</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/trees/ft/FTNode.html" title="class in weka.classifiers.trees.ft"><B>PREV CLASS</B></A>&nbsp;
&nbsp;NEXT CLASS</FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
  <A HREF="../../../../index.html?weka/classifiers/trees/ft/FTtree.html" target="_top"><B>FRAMES</B></A>  &nbsp;
&nbsp;<A HREF="FTtree.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
&nbsp;<SCRIPT type="text/javascript">
  <!--
  if(window==top) {
    document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>');
  }
  //-->
</SCRIPT>
<NOSCRIPT>
  <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>
</NOSCRIPT>


</FONT></TD>
</TR>
<TR>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&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>
<A NAME="skip-navbar_bottom"></A>
<!-- ======== END OF BOTTOM NAVBAR ======= -->

<HR>

</BODY>
</HTML>