cvparameterselection.html

数据挖掘的最常用工具。由于开源

                                 throws java.lang.Exception</PRE>
<DL>
<DD>Predicts the class distribution for the given test instance.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#distributionForInstance(weka.core.Instance)">distributionForInstance</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instance</CODE> - the instance to be classified
<DT><B>Returns:</B><DD>the predicted class value
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an error occurred during the prediction</DL>
</DD>
</DL>
<HR>

<A NAME="addCVParameter(java.lang.String)"><!-- --></A><H3>
addCVParameter</H3>
<PRE>
public void <B>addCVParameter</B>(java.lang.String&nbsp;cvParam)
                    throws java.lang.Exception</PRE>
<DL>
<DD>Adds a scheme parameter to the list of parameters to be set
 by cross-validation
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>cvParam</CODE> - the string representation of a scheme parameter. The
 format is: <br>
 param_char lower_bound upper_bound number_of_steps <br>
 eg to search a parameter -P from 1 to 10 by increments of 1: <br>
 P 1 10 11 <br>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the parameter specifier is of the wrong format</DL>
</DD>
</DL>
<HR>

<A NAME="getCVParameter(int)"><!-- --></A><H3>
getCVParameter</H3>
<PRE>
public java.lang.String <B>getCVParameter</B>(int&nbsp;index)</PRE>
<DL>
<DD>Gets the scheme paramter with the given index.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index for the parameter
<DT><B>Returns:</B><DD>the scheme parameter</DL>
</DD>
</DL>
<HR>

<A NAME="CVParametersTipText()"><!-- --></A><H3>
CVParametersTipText</H3>
<PRE>
public java.lang.String <B>CVParametersTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="getCVParameters()"><!-- --></A><H3>
getCVParameters</H3>
<PRE>
public java.lang.Object[] <B>getCVParameters</B>()</PRE>
<DL>
<DD>Get method for CVParameters.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the CVParameters</DL>
</DD>
</DL>
<HR>

<A NAME="setCVParameters(java.lang.Object[])"><!-- --></A><H3>
setCVParameters</H3>
<PRE>
public void <B>setCVParameters</B>(java.lang.Object[]&nbsp;params)
                     throws java.lang.Exception</PRE>
<DL>
<DD>Set method for CVParameters.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>params</CODE> - the CVParameters to use
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the setting of the CVParameters fails</DL>
</DD>
</DL>
<HR>

<A NAME="numFoldsTipText()"><!-- --></A><H3>
numFoldsTipText</H3>
<PRE>
public java.lang.String <B>numFoldsTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="getNumFolds()"><!-- --></A><H3>
getNumFolds</H3>
<PRE>
public int <B>getNumFolds</B>()</PRE>
<DL>
<DD>Gets the number of folds for the cross-validation.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of folds for the cross-validation</DL>
</DD>
</DL>
<HR>

<A NAME="setNumFolds(int)"><!-- --></A><H3>
setNumFolds</H3>
<PRE>
public void <B>setNumFolds</B>(int&nbsp;numFolds)
                 throws java.lang.Exception</PRE>
<DL>
<DD>Sets the number of folds for the cross-validation.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>numFolds</CODE> - the number of folds for the cross-validation
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if parameter illegal</DL>
</DD>
</DL>
<HR>

<A NAME="graphType()"><!-- --></A><H3>
graphType</H3>
<PRE>
public int <B>graphType</B>()</PRE>
<DL>
<DD>Returns the type of graph this classifier
  represents.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/Drawable.html#graphType()">graphType</A></CODE> in interface <CODE><A HREF="../../../weka/core/Drawable.html" title="interface in weka.core">Drawable</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the type of graph this classifier represents</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 classifier (if possible).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/Drawable.html#graph()">graph</A></CODE> in interface <CODE><A HREF="../../../weka/core/Drawable.html" title="interface in weka.core">Drawable</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the graph of the classifier in dotty format
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the classifier cannot be graphed</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Returns description of the cross-validated classifier.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>description of the cross-validated classifier as a string</DL>
</DD>
</DL>
<HR>

<A NAME="toSummaryString()"><!-- --></A><H3>
toSummaryString</H3>
<PRE>
public java.lang.String <B>toSummaryString</B>()</PRE>
<DL>
<DD>A concise description of the model.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/Summarizable.html#toSummaryString()">toSummaryString</A></CODE> in interface <CODE><A HREF="../../../weka/core/Summarizable.html" title="interface in weka.core">Summarizable</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a concise description of the model</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></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the revision</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;argv)</PRE>
<DL>
<DD>Main method for testing this class.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>argv</CODE> - the options</DL>
</DD>
</DL>
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