swapvalues.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

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<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><A HREF="../../../../weka/core/UnsupportedAttributeTypeException.html" title="class in weka.core">UnsupportedAttributeTypeException</A></CODE> - if the selected attribute
 is not nominal or if it only has one value.
<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. The instance is processed
 and made available for output immediately.
<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="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></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> -C &lt;col&gt;
  Sets the attribute index (default last).</pre>
 
 <pre> -F &lt;value index&gt;
  Sets the first value's index (default first).</pre>
 
 <pre> -S &lt;value index&gt;
  Sets the second value's index (default last).</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></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 filter.
<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></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array of strings suitable for passing to setOptions</DL>
</DD>
</DL>
<HR>

<A NAME="attributeIndexTipText()"><!-- --></A><H3>
attributeIndexTipText</H3>
<PRE>
public java.lang.String <B>attributeIndexTipText</B>()</PRE>
<DL>
<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="getAttributeIndex()"><!-- --></A><H3>
getAttributeIndex</H3>
<PRE>
public java.lang.String <B>getAttributeIndex</B>()</PRE>
<DL>
<DD>Get the index of the attribute used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the index of the attribute</DL>
</DD>
</DL>
<HR>

<A NAME="setAttributeIndex(java.lang.String)"><!-- --></A><H3>
setAttributeIndex</H3>
<PRE>
public void <B>setAttributeIndex</B>(java.lang.String&nbsp;attIndex)</PRE>
<DL>
<DD>Sets index of the attribute used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attIndex</CODE> - the index of the attribute</DL>
</DD>
</DL>
<HR>

<A NAME="firstValueIndexTipText()"><!-- --></A><H3>
firstValueIndexTipText</H3>
<PRE>
public java.lang.String <B>firstValueIndexTipText</B>()</PRE>
<DL>
<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="getFirstValueIndex()"><!-- --></A><H3>
getFirstValueIndex</H3>
<PRE>
public java.lang.String <B>getFirstValueIndex</B>()</PRE>
<DL>
<DD>Get the index of the first value used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the index of the first value</DL>
</DD>
</DL>
<HR>

<A NAME="setFirstValueIndex(java.lang.String)"><!-- --></A><H3>
setFirstValueIndex</H3>
<PRE>
public void <B>setFirstValueIndex</B>(java.lang.String&nbsp;firstIndex)</PRE>
<DL>
<DD>Sets index of the first value used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>firstIndex</CODE> - the index of the first value</DL>
</DD>
</DL>
<HR>

<A NAME="secondValueIndexTipText()"><!-- --></A><H3>
secondValueIndexTipText</H3>
<PRE>
public java.lang.String <B>secondValueIndexTipText</B>()</PRE>
<DL>
<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="getSecondValueIndex()"><!-- --></A><H3>
getSecondValueIndex</H3>
<PRE>
public java.lang.String <B>getSecondValueIndex</B>()</PRE>
<DL>
<DD>Get the index of the second value used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the index of the second value</DL>
</DD>
</DL>
<HR>

<A NAME="setSecondValueIndex(java.lang.String)"><!-- --></A><H3>
setSecondValueIndex</H3>
<PRE>
public void <B>setSecondValueIndex</B>(java.lang.String&nbsp;secondIndex)</PRE>
<DL>
<DD>Sets index of the second value used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>secondIndex</CODE> - the index of the second value</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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