logitboost.html

weka是机器学习和数据挖掘领域最有影响力的开源项目之一

<A NAME="numRunsTipText()"><!-- --></A><H3>
numRunsTipText</H3>
<PRE>
public java.lang.String <B>numRunsTipText</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="getNumRuns()"><!-- --></A><H3>
getNumRuns</H3>
<PRE>
public int <B>getNumRuns</B>()</PRE>
<DL>
<DD>Get the value of NumRuns.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Value of NumRuns.</DL>
</DD>
</DL>
<HR>

<A NAME="setNumRuns(int)"><!-- --></A><H3>
setNumRuns</H3>
<PRE>
public void <B>setNumRuns</B>(int&nbsp;newNumRuns)</PRE>
<DL>
<DD>Set the value of NumRuns.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newNumRuns</CODE> - Value to assign to NumRuns.</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>Get the value of NumFolds.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Value of NumFolds.</DL>
</DD>
</DL>
<HR>

<A NAME="setNumFolds(int)"><!-- --></A><H3>
setNumFolds</H3>
<PRE>
public void <B>setNumFolds</B>(int&nbsp;newNumFolds)</PRE>
<DL>
<DD>Set the value of NumFolds.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newNumFolds</CODE> - Value to assign to NumFolds.</DL>
</DD>
</DL>
<HR>

<A NAME="useResamplingTipText()"><!-- --></A><H3>
useResamplingTipText</H3>
<PRE>
public java.lang.String <B>useResamplingTipText</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="setUseResampling(boolean)"><!-- --></A><H3>
setUseResampling</H3>
<PRE>
public void <B>setUseResampling</B>(boolean&nbsp;r)</PRE>
<DL>
<DD>Set resampling mode
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>r</CODE> - true if resampling should be done</DL>
</DD>
</DL>
<HR>

<A NAME="getUseResampling()"><!-- --></A><H3>
getUseResampling</H3>
<PRE>
public boolean <B>getUseResampling</B>()</PRE>
<DL>
<DD>Get whether resampling is turned on
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if resampling output is on</DL>
</DD>
</DL>
<HR>

<A NAME="weightThresholdTipText()"><!-- --></A><H3>
weightThresholdTipText</H3>
<PRE>
public java.lang.String <B>weightThresholdTipText</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="setWeightThreshold(int)"><!-- --></A><H3>
setWeightThreshold</H3>
<PRE>
public void <B>setWeightThreshold</B>(int&nbsp;threshold)</PRE>
<DL>
<DD>Set weight thresholding
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>threshold</CODE> - the percentage of weight mass used for training</DL>
</DD>
</DL>
<HR>

<A NAME="getWeightThreshold()"><!-- --></A><H3>
getWeightThreshold</H3>
<PRE>
public int <B>getWeightThreshold</B>()</PRE>
<DL>
<DD>Get the degree of weight thresholding
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the percentage of weight mass used for training</DL>
</DD>
</DL>
<HR>

<A NAME="getCapabilities()"><!-- --></A><H3>
getCapabilities</H3>
<PRE>
public <A HREF="../../../weka/core/Capabilities.html" title="class in weka.core">Capabilities</A> <B>getCapabilities</B>()</PRE>
<DL>
<DD>Returns default capabilities of the classifier.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/CapabilitiesHandler.html#getCapabilities()">getCapabilities</A></CODE> in interface <CODE><A HREF="../../../weka/core/CapabilitiesHandler.html" title="interface in weka.core">CapabilitiesHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/SingleClassifierEnhancer.html#getCapabilities()">getCapabilities</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/SingleClassifierEnhancer.html" title="class in weka.classifiers">SingleClassifierEnhancer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the capabilities of this classifier<DT><B>See Also:</B><DD><A HREF="../../../weka/core/Capabilities.html" title="class in weka.core"><CODE>Capabilities</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="buildClassifier(weka.core.Instances)"><!-- --></A><H3>
buildClassifier</H3>
<PRE>
public void <B>buildClassifier</B>(<A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;data)
                     throws java.lang.Exception</PRE>
<DL>
<DD>Builds the boosted classifier
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/IteratedSingleClassifierEnhancer.html#buildClassifier(weka.core.Instances)">buildClassifier</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/IteratedSingleClassifierEnhancer.html" title="class in weka.classifiers">IteratedSingleClassifierEnhancer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the data to train the classifier with
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if building fails, e.g., can't handle data</DL>
</DD>
</DL>
<HR>

<A NAME="classifiers()"><!-- --></A><H3>
classifiers</H3>
<PRE>
public <A HREF="../../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A>[][] <B>classifiers</B>()</PRE>
<DL>
<DD>Returns the array of classifiers that have been built.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the built classifiers</DL>
</DD>
</DL>
<HR>

<A NAME="distributionForInstance(weka.core.Instance)"><!-- --></A><H3>
distributionForInstance</H3>
<PRE>
public 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>Calculates the class membership probabilities 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>predicted class probability distribution
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if instance could not be classified
 successfully</DL>
</DD>
</DL>
<HR>

<A NAME="toSource(java.lang.String)"><!-- --></A><H3>
toSource</H3>
<PRE>
public java.lang.String <B>toSource</B>(java.lang.String&nbsp;className)
                          throws java.lang.Exception</PRE>
<DL>
<DD>Returns the boosted model as Java source code.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/classifiers/Sourcable.html#toSource(java.lang.String)">toSource</A></CODE> in interface <CODE><A HREF="../../../weka/classifiers/Sourcable.html" title="interface in weka.classifiers">Sourcable</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>className</CODE> - the classname in the generated code
<DT><B>Returns:</B><DD>the tree as Java source code
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong</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 boosted 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 boosted classifier as a string</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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