stratifiedremovefolds.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

setNumFolds</H3>
<PRE>
public void <B>setNumFolds</B>(int&nbsp;numFolds)</PRE>
<DL>
<DD>Sets the number of folds the dataset is split into. If the number
 of folds is zero, it won't split it into folds.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>numFolds</CODE> - number of folds dataset is to be split into
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if number of folds is negative</DL>
</DD>
</DL>
<HR>

<A NAME="foldTipText()"><!-- --></A><H3>
foldTipText</H3>
<PRE>
public java.lang.String <B>foldTipText</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="getFold()"><!-- --></A><H3>
getFold</H3>
<PRE>
public int <B>getFold</B>()</PRE>
<DL>
<DD>Gets the fold which is selected.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the fold which is selected</DL>
</DD>
</DL>
<HR>

<A NAME="setFold(int)"><!-- --></A><H3>
setFold</H3>
<PRE>
public void <B>setFold</B>(int&nbsp;fold)</PRE>
<DL>
<DD>Selects a fold.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>fold</CODE> - the fold to be selected.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if fold's index is smaller than 1</DL>
</DD>
</DL>
<HR>

<A NAME="seedTipText()"><!-- --></A><H3>
seedTipText</H3>
<PRE>
public java.lang.String <B>seedTipText</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="getSeed()"><!-- --></A><H3>
getSeed</H3>
<PRE>
public long <B>getSeed</B>()</PRE>
<DL>
<DD>Gets the random number seed used for shuffling the dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the random number seed</DL>
</DD>
</DL>
<HR>

<A NAME="setSeed(long)"><!-- --></A><H3>
setSeed</H3>
<PRE>
public void <B>setSeed</B>(long&nbsp;seed)</PRE>
<DL>
<DD>Sets the random number seed for shuffling the dataset. If seed
 is negative, shuffling won't be performed.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seed</CODE> - the random number seed</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 the Capabilities of this filter.
<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/filters/Filter.html#getCapabilities()">getCapabilities</A></CODE> in class <CODE><A HREF="../../../../weka/filters/Filter.html" title="class in weka.filters">Filter</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the capabilities of this object<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="setInputFormat(weka.core.Instances)"><!-- --></A><H3>
setInputFormat</H3>
<PRE>
public boolean <B>setInputFormat</B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;instanceInfo)
                       throws java.lang.Exception</PRE>
<DL>
<DD>Sets the format of the input instances.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/filters/Filter.html#setInputFormat(weka.core.Instances)">setInputFormat</A></CODE> in class <CODE><A HREF="../../../../weka/filters/Filter.html" title="class in weka.filters">Filter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instanceInfo</CODE> - an Instances object containing the input instance
 structure (any instances contained in the object are ignored - only the
 structure is required).
<DT><B>Returns:</B><DD>true because outputFormat can be collected immediately
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the input format can't be set successfully</DL>
</DD>
</DL>
<HR>

<A NAME="input(weka.core.Instance)"><!-- --></A><H3>
input</H3>
<PRE>
public boolean <B>input</B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;instance)</PRE>
<DL>
<DD>Input an instance for filtering. Filter requires all
 training instances be read before producing output.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/filters/Filter.html#input(weka.core.Instance)">input</A></CODE> in class <CODE><A HREF="../../../../weka/filters/Filter.html" title="class in weka.filters">Filter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instance</CODE> - the input instance
<DT><B>Returns:</B><DD>true if the filtered instance may now be
 collected with output().
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalStateException</CODE> - if no input structure has been defined</DL>
</DD>
</DL>
<HR>

<A NAME="batchFinished()"><!-- --></A><H3>
batchFinished</H3>
<PRE>
public boolean <B>batchFinished</B>()</PRE>
<DL>
<DD>Signify that this batch of input to the filter is
 finished. Output() may now be called to retrieve the filtered
 instances.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/filters/Filter.html#batchFinished()">batchFinished</A></CODE> in class <CODE><A HREF="../../../../weka/filters/Filter.html" title="class in weka.filters">Filter</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if there are instances pending output
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalStateException</CODE> - if no input structure has been defined</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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