minnd.html

数据挖掘的最常用工具。由于开源

 The result is as follows, suppose there are P dimensions, and f(X)
 is the first distribution and g(X) is the second:
 Kullback = sum[1..P](ln(SIGMA2/SIGMA1)) +
            sum[1..P](SIGMA1^2 / (2*(SIGMA2^2))) +
            sum[1..P]((MU1-MU2)^2 / (2*(SIGMA2^2))) -
            P/2
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>mu1</CODE> - mu of the first normal distribution<DD><CODE>mu2</CODE> - mu of the second normal distribution<DD><CODE>var1</CODE> - variance(SIGMA^2) of the first normal distribution<DD><CODE>var2</CODE> - variance(SIGMA^2) of the second normal distribution
<DT><B>Returns:</B><DD>the Kullback distance of two distributions</DL>
</DD>
</DL>
<HR>

<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>
</DL>
<HR>

<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> -K &lt;number of neighbours&gt;
  Set number of nearest neighbour for prediction
  (default 1)</pre>
 
 <pre> -S &lt;number of neighbours&gt;
  Set number of nearest neighbour for cleansing the training data
  (default 1)</pre>
 
 <pre> -E &lt;number of neighbours&gt;
  Set number of nearest neighbour for cleansing the testing data
  (default 1)</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>
<HR>

<A NAME="getOptions()"><!-- --></A><H3>
getOptions</H3>
<PRE>
public java.lang.String[] <B>getOptions</B>()</PRE>
<DL>
<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>
<HR>

<A NAME="numNeighboursTipText()"><!-- --></A><H3>
numNeighboursTipText</H3>
<PRE>
public java.lang.String <B>numNeighboursTipText</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="setNumNeighbours(int)"><!-- --></A><H3>
setNumNeighbours</H3>
<PRE>
public void <B>setNumNeighbours</B>(int&nbsp;numNeighbour)</PRE>
<DL>
<DD>Sets the number of nearest neighbours to estimate
 the class prediction of tests bags
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>numNeighbour</CODE> - the number of citers</DL>
</DD>
</DL>
<HR>

<A NAME="getNumNeighbours()"><!-- --></A><H3>
getNumNeighbours</H3>
<PRE>
public int <B>getNumNeighbours</B>()</PRE>
<DL>
<DD>Returns the number of nearest neighbours to estimate
 the class prediction of tests bags
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

<A NAME="numTrainingNoisesTipText()"><!-- --></A><H3>
numTrainingNoisesTipText</H3>
<PRE>
public java.lang.String <B>numTrainingNoisesTipText</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="setNumTrainingNoises(int)"><!-- --></A><H3>
setNumTrainingNoises</H3>
<PRE>
public void <B>setNumTrainingNoises</B>(int&nbsp;numTraining)</PRE>
<DL>
<DD>Sets the number of nearest neighbour instances in the 
 selection of noises in the training data
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>numTraining</CODE> - the number of noises in training data</DL>
</DD>
</DL>
<HR>

<A NAME="getNumTrainingNoises()"><!-- --></A><H3>
getNumTrainingNoises</H3>
<PRE>
public int <B>getNumTrainingNoises</B>()</PRE>
<DL>
<DD>Returns the number of nearest neighbour instances in the 
 selection of noises in the training data
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of noises in training data</DL>
</DD>
</DL>
<HR>

<A NAME="numTestingNoisesTipText()"><!-- --></A><H3>
numTestingNoisesTipText</H3>
<PRE>
public java.lang.String <B>numTestingNoisesTipText</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="getNumTestingNoises()"><!-- --></A><H3>
getNumTestingNoises</H3>
<PRE>
public int <B>getNumTestingNoises</B>()</PRE>
<DL>
<DD>Returns The number of nearest neighbour instances in the 
 selection of noises in the test data
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of noises in test data</DL>
</DD>
</DL>
<HR>

<A NAME="setNumTestingNoises(int)"><!-- --></A><H3>
setNumTestingNoises</H3>
<PRE>
public void <B>setNumTestingNoises</B>(int&nbsp;numTesting)</PRE>
<DL>
<DD>Sets The number of nearest neighbour exemplars in the 
 selection of noises in the test data
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>numTesting</CODE> - the number of noises in test data</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;args)</PRE>
<DL>
<DD>Main method for testing.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - the options for the classifier</DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>


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