bayesianlogisticregression.html

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<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 using the Bayesian Logistic Regression function.
<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 test instance
<DT><B>Returns:</B><DD>the classification
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if classification can't be done successfully</DL>
</DD>
</DL>
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<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Outputs the linear regression model as a string.
<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>the model as string</DL>
</DD>
</DL>
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<A NAME="CVBasedHyperparameter()"><!-- --></A><H3>
CVBasedHyperparameter</H3>
<PRE>
public double <B>CVBasedHyperparameter</B>()
                             throws java.lang.Exception</PRE>
<DL>
<DD>Method computes the best hyperparameter value by doing cross
 -validation on the training data and compute the likelihood.
 The method can parse a range of values or a list of values.
<P>
<DD><DL>
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</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Best hyperparameter value with the max likelihood value on the training data.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
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<A NAME="getLoglikeliHood(double[], weka.core.Instances)"><!-- --></A><H3>
getLoglikeliHood</H3>
<PRE>
public double <B>getLoglikeliHood</B>(double[]&nbsp;betas,
                               <A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;instances)</PRE>
<DL>
<DD><DL>
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<DD><DL>

<DT><B>Returns:</B><DD>likelihood for a given set of betas and instances</DL>
</DD>
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<A NAME="listOptions()"><!-- --></A><H3>
listOptions</H3>
<PRE>
public java.util.Enumeration <B>listOptions</B>()</PRE>
<DL>
<DD>Returns an enumeration describing the available options.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/OptionHandler.html#listOptions()">listOptions</A></CODE> in interface <CODE><A HREF="../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#listOptions()">listOptions</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>an enumeration of all the available options.</DL>
</DD>
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<A NAME="setOptions(java.lang.String[])"><!-- --></A><H3>
setOptions</H3>
<PRE>
public void <B>setOptions</B>(java.lang.String[]&nbsp;options)
                throws java.lang.Exception</PRE>
<DL>
<DD>Parses a given list of options. <p/>

   <!-- options-start -->
 Valid options are: <p/>
 
 <pre> -D
  Show Debugging Output
 </pre>
 
 <pre> -P &lt;integer&gt;
  Distribution of the Prior (1=Gaussian, 2=Laplacian)
  (default: 1=Gaussian)</pre>
 
 <pre> -H &lt;integer&gt;
  Hyperparameter Selection Method (1=Norm-based, 2=CV-based, 3=specific value)
  (default: 1=Norm-based)</pre>
 
 <pre> -V &lt;double&gt;
  Specified Hyperparameter Value (use in conjunction with -H 3)
  (default: 0.27)</pre>
 
 <pre> -R &lt;string&gt;
  Hyperparameter Range (use in conjunction with -H 2)
  (format: R:start-end,multiplier OR L:val(1), val(2), ..., val(n))
  (default: R:0.01-316,3.16)</pre>
 
 <pre> -Tl &lt;double&gt;
  Tolerance Value
  (default: 0.0005)</pre>
 
 <pre> -S &lt;double&gt;
  Threshold Value
  (default: 0.5)</pre>
 
 <pre> -F &lt;integer&gt;
  Number Of Folds (use in conjuction with -H 2)
  (default: 2)</pre>
 
 <pre> -I &lt;integer&gt;
  Max Number of Iterations
  (default: 100)</pre>
 
 <pre> -N
  Normalize the data</pre>
 
   <!-- options-end -->
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/OptionHandler.html#setOptions(java.lang.String[])">setOptions</A></CODE> in interface <CODE><A HREF="../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#setOptions(java.lang.String[])">setOptions</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>options</CODE> - the list of options as an array of strings
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an option is not supported</DL>
</DD>
</DL>
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<A NAME="getOptions()"><!-- --></A><H3>
getOptions</H3>
<PRE>
public java.lang.String[] <B>getOptions</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../weka/classifiers/Classifier.html#getOptions()">Classifier</A></CODE></B></DD>
<DD>Gets the current settings of the Classifier.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/OptionHandler.html#getOptions()">getOptions</A></CODE> in interface <CODE><A HREF="../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#getOptions()">getOptions</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>an array of strings suitable for passing to setOptions</DL>
</DD>
</DL>
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<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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<A NAME="debugTipText()"><!-- --></A><H3>
debugTipText</H3>
<PRE>
public java.lang.String <B>debugTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#debugTipText()">debugTipText</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>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
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<A NAME="setDebug(boolean)"><!-- --></A><H3>
setDebug</H3>
<PRE>
public void <B>setDebug</B>(boolean&nbsp;debugMode)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../weka/classifiers/Classifier.html#setDebug(boolean)">Classifier</A></CODE></B></DD>
<DD>Set debugging mode.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#setDebug(boolean)">setDebug</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>debugMode</CODE> - true if debug output should be printed</DL>
</DD>
</DL>
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<A NAME="hyperparameterSelectionTipText()"><!-- --></A><H3>
hyperparameterSelectionTipText</H3>
<PRE>
public java.lang.String <B>hyperparameterSelectionTipText</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>
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<A NAME="getHyperparameterSelection()"><!-- --></A><H3>
getHyperparameterSelection</H3>
<PRE>
public <A HREF="../../../weka/core/SelectedTag.html" title="class in weka.core">SelectedTag</A> <B>getHyperparameterSelection</B>()</PRE>
<DL>
<DD>Get the method used to select the hyperparameter
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<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the method used to select the hyperparameter</DL>
</DD>
</DL>
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<A NAME="setHyperparameterSelection(weka.core.SelectedTag)"><!-- --></A><H3>
setHyperparameterSelection</H3>
<PRE>
public void <B>setHyperparameterSelection</B>(<A HREF="../../../weka/core/SelectedTag.html" title="class in weka.core">SelectedTag</A>&nbsp;newMethod)</PRE>
<DL>
<DD>Set the method used to select the hyperparameter
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newMethod</CODE> - the method used to set the hyperparameter</DL>
</DD>
</DL>
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<A NAME="priorClassTipText()"><!-- --></A><H3>
priorClassTipText</H3>
<PRE>
public java.lang.String <B>priorClassTipText</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>
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<A NAME="setPriorClass(weka.core.SelectedTag)"><!-- --></A><H3>
setPriorClass</H3>
<PRE>
public void <B>setPriorClass</B>(<A HREF="../../../weka/core/SelectedTag.html" title="class in weka.core">SelectedTag</A>&nbsp;newMethod)</PRE>
<DL>
<DD>Set the type of prior to use.
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<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newMethod</CODE> - the type of prior to use.</DL>
</DD>
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<A NAME="getPriorClass()"><!-- --></A><H3>
getPriorClass</H3>
<PRE>
public <A HREF="../../../weka/core/SelectedTag.html" title="class in weka.core">SelectedTag</A> <B>getPriorClass</B>()</PRE>
<DL>
<DD>Get the type of prior to use.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the type of prior to use</DL>
</DD>
</DL>
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<A NAME="thresholdTipText()"><!-- --></A><H3>
thresholdTipText</H3>
<PRE>
public java.lang.String <B>thresholdTipText</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>
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<A NAME="getThreshold()"><!-- --></A><H3>
getThreshold</H3>
<PRE>
public