discretize.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>
</DL>
<HR>

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

<A NAME="binsTipText()"><!-- --></A><H3>
binsTipText</H3>
<PRE>
public java.lang.String <B>binsTipText</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="getBins()"><!-- --></A><H3>
getBins</H3>
<PRE>
public int <B>getBins</B>()</PRE>
<DL>
<DD>Gets the number of bins numeric attributes will be divided into
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

<A NAME="setBins(int)"><!-- --></A><H3>
setBins</H3>
<PRE>
public void <B>setBins</B>(int&nbsp;numBins)</PRE>
<DL>
<DD>Sets the number of bins to divide each selected numeric attribute into
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>numBins</CODE> - the number of bins</DL>
</DD>
</DL>
<HR>

<A NAME="invertSelectionTipText()"><!-- --></A><H3>
invertSelectionTipText</H3>
<PRE>
public java.lang.String <B>invertSelectionTipText</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="getInvertSelection()"><!-- --></A><H3>
getInvertSelection</H3>
<PRE>
public boolean <B>getInvertSelection</B>()</PRE>
<DL>
<DD>Gets whether the supplied columns are to be removed or kept
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if the supplied columns will be kept</DL>
</DD>
</DL>
<HR>

<A NAME="setInvertSelection(boolean)"><!-- --></A><H3>
setInvertSelection</H3>
<PRE>
public void <B>setInvertSelection</B>(boolean&nbsp;invert)</PRE>
<DL>
<DD>Sets whether selected columns should be removed or kept. If true the 
 selected columns are kept and unselected columns are deleted. If false
 selected columns are deleted and unselected columns are kept.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>invert</CODE> - the new invert setting</DL>
</DD>
</DL>
<HR>

<A NAME="attributeIndicesTipText()"><!-- --></A><H3>
attributeIndicesTipText</H3>
<PRE>
public java.lang.String <B>attributeIndicesTipText</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="getAttributeIndices()"><!-- --></A><H3>
getAttributeIndices</H3>
<PRE>
public java.lang.String <B>getAttributeIndices</B>()</PRE>
<DL>
<DD>Gets the current range selection
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a string containing a comma separated list of ranges</DL>
</DD>
</DL>
<HR>

<A NAME="setAttributeIndices(java.lang.String)"><!-- --></A><H3>
setAttributeIndices</H3>
<PRE>
public void <B>setAttributeIndices</B>(java.lang.String&nbsp;rangeList)</PRE>
<DL>
<DD>Sets which attributes are to be Discretized (only numeric
 attributes among the selection will be Discretized).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rangeList</CODE> - a string representing the list of attributes. Since
 the string will typically come from a user, attributes are indexed from
 1. <br>
 eg: first-3,5,6-last
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if an invalid range list is supplied</DL>
</DD>
</DL>
<HR>

<A NAME="setAttributeIndicesArray(int[])"><!-- --></A><H3>
setAttributeIndicesArray</H3>
<PRE>
public void <B>setAttributeIndicesArray</B>(int[]&nbsp;attributes)</PRE>
<DL>
<DD>Sets which attributes are to be Discretized (only numeric
 attributes among the selection will be Discretized).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attributes</CODE> - an array containing indexes of attributes to Discretize.
 Since the array will typically come from a program, attributes are indexed
 from 0.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if an invalid set of ranges
 is supplied</DL>
</DD>
</DL>
<HR>

<A NAME="getCutPoints(int)"><!-- --></A><H3>
getCutPoints</H3>
<PRE>
public double[] <B>getCutPoints</B>(int&nbsp;attributeIndex)</PRE>
<DL>
<DD>Gets the cut points for an attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attributeIndex</CODE> - the index (from 0) of the attribute to get the cut points of
<DT><B>Returns:</B><DD>an array containing the cutpoints (or null if the
 attribute requested has been discretized into only one interval.)</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> - should contain arguments to the filter: use -h for help</DL>
</DD>
</DL>
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