addfilter.html

< 数据挖掘--实用机器学习技术及java实现> 一书结合数据挖掘和机器学习的知识,作者陈述了自动挖掘模式的基础理论,并且以java语言实现了具有代表性的各类数据挖掘方法.例如:class

m_Name</H3>
<PRE>
protected java.lang.String <B>m_Name</B></PRE>
<DL>
<DD>The name for the new attribute</DL>
<HR>

<A NAME="m_Insert"><!-- --></A><H3>
m_Insert</H3>
<PRE>
protected int <B>m_Insert</B></PRE>
<DL>
<DD>The location to insert the new attribute</DL>
<HR>

<A NAME="m_Labels"><!-- --></A><H3>
m_Labels</H3>
<PRE>
protected <A HREF="../../weka/core/FastVector.html">FastVector</A> <B>m_Labels</B></PRE>
<DL>
<DD>The list of labels for nominal attribute</DL>

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="AddFilter()"><!-- --></A><H3>
AddFilter</H3>
<PRE>
public <B>AddFilter</B>()</PRE>
<DL>
</DL>

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<A NAME="globalInfo()"><!-- --></A><H3>
globalInfo</H3>
<PRE>
public java.lang.String <B>globalInfo</B>()</PRE>
<DL>
<DD>Returns a string describing this filter<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a description of the filter suitable for
 displaying in the explorer/experimenter gui</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<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">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 list of options for this object. Valid options are:<p>

 -C index <br>
 Specify where to insert the column. First and last are valid indexes.
 (default last)<p>

 -L label1,label2,...<br>
 Create nominal attribute with the given labels
 (default numeric attribute)<p>

 -N name<br>
 Name of the new attribute. (default = 'Unnamed')<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">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.<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">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="setInputFormat(weka.core.Instances)"><!-- --></A><H3>
setInputFormat</H3>
<PRE>
public boolean <B>setInputFormat</B>(<A HREF="../../weka/core/Instances.html">Instances</A>&nbsp;instanceInfo)
                       throws java.lang.Exception</PRE>
<DL>
<DD>Sets the format of the input instances.<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">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 the format couldn'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">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.<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">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="attributeNameTipText()"><!-- --></A><H3>
attributeNameTipText</H3>
<PRE>
public java.lang.String <B>attributeNameTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<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="getAttributeName()"><!-- --></A><H3>
getAttributeName</H3>
<PRE>
public java.lang.String <B>getAttributeName</B>()</PRE>
<DL>
<DD>Get the name of the attribute to be created<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the new attribute name</DL>
</DD>
</DL>
<HR>

<A NAME="setAttributeName(java.lang.String)"><!-- --></A><H3>
setAttributeName</H3>
<PRE>
public void <B>setAttributeName</B>(java.lang.String&nbsp;name)</PRE>
<DL>
<DD>Set the new attribute's name<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the new name</DL>
</DD>
</DL>
<HR>

<A NAME="attributeIndexTipText()"><!-- --></A><H3>
attributeIndexTipText</H3>
<PRE>
public java.lang.String <B>attributeIndexTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<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 int <B>getAttributeIndex</B>()</PRE>
<DL>
<DD>Get the index where the attribute will be inserted<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the attribute insertion index</DL>
</DD>
</DL>
<HR>

<A NAME="setAttributeIndex(int)"><!-- --></A><H3>
setAttributeIndex</H3>
<PRE>
public void <B>setAttributeIndex</B>(int&nbsp;attributeIndex)</PRE>
<DL>
<DD>Set the index where the attribute will be inserted<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attributeIndex</CODE> - the insertion index (-1 means last)</DL>
</DD>
</DL>
<HR>

<A NAME="nominalLabelsTipText()"><!-- --></A><H3>
nominalLabelsTipText</H3>
<PRE>
public java.lang.String <B>nominalLabelsTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<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="getNominalLabels()"><!-- --></A><H3>
getNominalLabels</H3>
<PRE>
public java.lang.String <B>getNominalLabels</B>()</PRE>
<DL>
<DD>Get the list of labels for nominal attribute creation<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the list of labels for nominal attribute creation</DL>
</DD>
</DL>
<HR>

<A NAME="setNominalLabels(java.lang.String)"><!-- --></A><H3>
setNominalLabels</H3>
<PRE>
public void <B>setNominalLabels</B>(java.lang.String&nbsp;labelList)</PRE>
<DL>
<DD>Set the labels for nominal attribute creation.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>labelList</CODE> - a comma separated list of labels<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - if the labelList was invalid</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.<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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