libsvm.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

<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="setLoss(double)"><!-- --></A><H3>
setLoss</H3>
<PRE>
public void <B>setLoss</B>(double&nbsp;value)</PRE>
<DL>
<DD>Sets the epsilon in loss function of epsilon-SVR (default 0.1)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the loss epsilon</DL>
</DD>
</DL>
<HR>

<A NAME="getLoss()"><!-- --></A><H3>
getLoss</H3>
<PRE>
public double <B>getLoss</B>()</PRE>
<DL>
<DD>Gets the epsilon in loss function of epsilon-SVR
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the loss epsilon</DL>
</DD>
</DL>
<HR>

<A NAME="lossTipText()"><!-- --></A><H3>
lossTipText</H3>
<PRE>
public java.lang.String <B>lossTipText</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="setShrinking(boolean)"><!-- --></A><H3>
setShrinking</H3>
<PRE>
public void <B>setShrinking</B>(boolean&nbsp;value)</PRE>
<DL>
<DD>whether to use the shrinking heuristics
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - true uses shrinking</DL>
</DD>
</DL>
<HR>

<A NAME="getShrinking()"><!-- --></A><H3>
getShrinking</H3>
<PRE>
public boolean <B>getShrinking</B>()</PRE>
<DL>
<DD>whether to use the shrinking heuristics
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true, if shrinking is used</DL>
</DD>
</DL>
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<A NAME="shrinkingTipText()"><!-- --></A><H3>
shrinkingTipText</H3>
<PRE>
public java.lang.String <B>shrinkingTipText</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="setNormalize(boolean)"><!-- --></A><H3>
setNormalize</H3>
<PRE>
public void <B>setNormalize</B>(boolean&nbsp;value)</PRE>
<DL>
<DD>whether to normalize input data
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - whether to normalize the data</DL>
</DD>
</DL>
<HR>

<A NAME="getNormalize()"><!-- --></A><H3>
getNormalize</H3>
<PRE>
public boolean <B>getNormalize</B>()</PRE>
<DL>
<DD>whether to normalize input data
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true, if the data is normalized</DL>
</DD>
</DL>
<HR>

<A NAME="normalizeTipText()"><!-- --></A><H3>
normalizeTipText</H3>
<PRE>
public java.lang.String <B>normalizeTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property
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<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="setWeights(java.lang.String)"><!-- --></A><H3>
setWeights</H3>
<PRE>
public void <B>setWeights</B>(java.lang.String&nbsp;weightsStr)</PRE>
<DL>
<DD>Sets the parameters C of class i to weight[i]*C, for C-SVC (default 1).
 Blank separated list of doubles.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>weightsStr</CODE> - the weights (doubles, separated by blanks)</DL>
</DD>
</DL>
<HR>

<A NAME="getWeights()"><!-- --></A><H3>
getWeights</H3>
<PRE>
public java.lang.String <B>getWeights</B>()</PRE>
<DL>
<DD>Gets the parameters C of class i to weight[i]*C, for C-SVC (default 1).
 Blank separated doubles.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the weights (doubles separated by blanks)</DL>
</DD>
</DL>
<HR>

<A NAME="weightsTipText()"><!-- --></A><H3>
weightsTipText</H3>
<PRE>
public java.lang.String <B>weightsTipText</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="setProbabilityEstimates(boolean)"><!-- --></A><H3>
setProbabilityEstimates</H3>
<PRE>
public void <B>setProbabilityEstimates</B>(boolean&nbsp;value)</PRE>
<DL>
<DD>Returns whether probability estimates are generated instead of -1/+1 for 
 classification problems.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - whether to predict probabilities</DL>
</DD>
</DL>
<HR>

<A NAME="getProbabilityEstimates()"><!-- --></A><H3>
getProbabilityEstimates</H3>
<PRE>
public boolean <B>getProbabilityEstimates</B>()</PRE>
<DL>
<DD>Sets whether to generate probability estimates instead of -1/+1 for 
 classification problems.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true, if probability estimates should be returned</DL>
</DD>
</DL>
<HR>

<A NAME="probabilityEstimatesTipText()"><!-- --></A><H3>
probabilityEstimatesTipText</H3>
<PRE>
public java.lang.String <B>probabilityEstimatesTipText</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="classifyInstance(weka.core.Instance)"><!-- --></A><H3>
classifyInstance</H3>
<PRE>
public double <B>classifyInstance</B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;instance)
                        throws java.lang.Exception</PRE>
<DL>
<DD>classifies the given instance
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#classifyInstance(weka.core.Instance)">classifyInstance</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 classify
<DT><B>Returns:</B><DD>the classification
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an error occurs</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>Computes the distribution for a given 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 for which distribution is computed
<DT><B>Returns:</B><DD>the distribution
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the distribution can't be computed successfully</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/Classifier.html#getCapabilities()">getCapabilities</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>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;insts)
                     throws java.lang.Exception</PRE>
<DL>
<DD>builds the classifier
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#buildClassifier(weka.core.Instances)">buildClassifier</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>insts</CODE> - the training instances
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if libsvm classes not in classpath or libsvm
                    encountered a problem</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>returns a string representation
<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>a string representation</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;args)</PRE>
<DL>
<DD>Main method for testing this class.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - the options</DL>
</DD>
</DL>
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<HR>


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