classorder.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

<DT><B>Parameters:</B><DD><CODE>seed</CODE> - the set seed</DL>
</DD>
</DL>
<HR>

<A NAME="classOrderTipText()"><!-- --></A><H3>
classOrderTipText</H3>
<PRE>
public java.lang.String <B>classOrderTipText</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="getClassOrder()"><!-- --></A><H3>
getClassOrder</H3>
<PRE>
public int <B>getClassOrder</B>()</PRE>
<DL>
<DD>Get the wanted class order
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>class order</DL>
</DD>
</DL>
<HR>

<A NAME="setClassOrder(int)"><!-- --></A><H3>
setClassOrder</H3>
<PRE>
public void <B>setClassOrder</B>(int&nbsp;order)</PRE>
<DL>
<DD>Set the wanted class order
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>order</CODE> - the class order</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 if the outputFormat may be collected immediately
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if no class index set or class not nominal</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. Ordinarily the instance is processed
 and made available for output immediately. Some filters require all
 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 format has been defined.</DL>
</DD>
</DL>
<HR>

<A NAME="batchFinished()"><!-- --></A><H3>
batchFinished</H3>
<PRE>
public boolean <B>batchFinished</B>()
                      throws java.lang.Exception</PRE>
<DL>
<DD>Signify that this batch of input to the filter is finished. If
 the filter requires all instances prior to filtering, output()
 may now be called to retrieve the filtered instances. Any
 subsequent instances filtered should be filtered based on setting
 obtained from the first batch (unless the inputFormat has been
 re-assigned or new options have been set). This implementation 
 sorts the class values and provide class counts in the output format
<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,
<DD><CODE>java.lang.Exception</CODE> - if there was a problem finishing the batch.</DL>
</DD>
</DL>
<HR>

<A NAME="getClassCounts()"><!-- --></A><H3>
getClassCounts</H3>
<PRE>
public double[] <B>getClassCounts</B>()</PRE>
<DL>
<DD>Get the class distribution of the sorted class values.  If class is numeric
 it returns null
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the class counts</DL>
</DD>
</DL>
<HR>

<A NAME="distributionsByOriginalIndex(double[])"><!-- --></A><H3>
distributionsByOriginalIndex</H3>
<PRE>
public double[] <B>distributionsByOriginalIndex</B>(double[]&nbsp;before)</PRE>
<DL>
<DD>Convert the given class distribution back to the distributions
 with the original internal class index
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>before</CODE> - the given class distribution
<DT><B>Returns:</B><DD>the distribution converted back</DL>
</DD>
</DL>
<HR>

<A NAME="originalValue(double)"><!-- --></A><H3>
originalValue</H3>
<PRE>
public double <B>originalValue</B>(double&nbsp;value)
                     throws java.lang.Exception</PRE>
<DL>
<DD>Return the original internal class value given the randomized 
 class value, i.e. the string presentations of the two indices
 are the same.  It's useful when the filter is used within a classifier  
 so that the filtering procedure should be transparent to the 
 evaluation
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the given value
<DT><B>Returns:</B><DD>the original internal value, -1 if not found
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the coverter table is not set yet</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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