assearch.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="ASSearch()"><!-- --></A><H3>
ASSearch</H3>
<PRE>
public <B>ASSearch</B>()</PRE>
<DL>
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<A NAME="search(weka.attributeSelection.ASEvaluation, weka.core.Instances)"><!-- --></A><H3>
search</H3>
<PRE>
public abstract int[] <B>search</B>(<A HREF="../../weka/attributeSelection/ASEvaluation.html" title="class in weka.attributeSelection">ASEvaluation</A>&nbsp;ASEvaluator,
                             <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;data)
                      throws java.lang.Exception</PRE>
<DL>
<DD>Searches the attribute subset/ranking space.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ASEvaluator</CODE> - the attribute evaluator to guide the search<DD><CODE>data</CODE> - the training instances.
<DT><B>Returns:</B><DD>an array (not necessarily ordered) of selected attribute indexes
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the search can't be completed</DL>
</DD>
</DL>
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<A NAME="forName(java.lang.String, java.lang.String[])"><!-- --></A><H3>
forName</H3>
<PRE>
public static <A HREF="../../weka/attributeSelection/ASSearch.html" title="class in weka.attributeSelection">ASSearch</A> <B>forName</B>(java.lang.String&nbsp;searchName,
                               java.lang.String[]&nbsp;options)
                        throws java.lang.Exception</PRE>
<DL>
<DD>Creates a new instance of a search class given it's class name and
 (optional) arguments to pass to it's setOptions method. If the
 search method implements OptionHandler and the options parameter is
 non-null, the search method will have it's options set.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>searchName</CODE> - the fully qualified class name of the search class<DD><CODE>options</CODE> - an array of options suitable for passing to setOptions. May
 be null.
<DT><B>Returns:</B><DD>the newly created search object, ready for use.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the search class name is invalid, or the options
 supplied are not acceptable to the search class.</DL>
</DD>
</DL>
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<A NAME="makeCopies(weka.attributeSelection.ASSearch, int)"><!-- --></A><H3>
makeCopies</H3>
<PRE>
public static <A HREF="../../weka/attributeSelection/ASSearch.html" title="class in weka.attributeSelection">ASSearch</A>[] <B>makeCopies</B>(<A HREF="../../weka/attributeSelection/ASSearch.html" title="class in weka.attributeSelection">ASSearch</A>&nbsp;model,
                                    int&nbsp;num)
                             throws java.lang.Exception</PRE>
<DL>
<DD>Creates copies of the current search scheme. Note that this method
 now uses Serialization to perform a deep copy, so the search
 object must be fully Serializable. Any currently built model will
 now be copied as well.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>model</CODE> - an example search scheme to copy<DD><CODE>num</CODE> - the number of search scheme copies to create.
<DT><B>Returns:</B><DD>an array of search schemes.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL>
</DD>
</DL>
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