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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_10) on Fri Jan 26 16:34:41 NZDT 2007 --><TITLE>RankedOutputSearch</TITLE><META NAME="keywords" CONTENT="weka.attributeSelection.RankedOutputSearch interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="RankedOutputSearch";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD 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target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../weka/attributeSelection/RandomSearch.html" title="class in weka.attributeSelection"><B>PREV CLASS</B></A> <A HREF="../../weka/attributeSelection/Ranker.html" title="class in weka.attributeSelection"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?weka/attributeSelection/RankedOutputSearch.html" target="_top"><B>FRAMES</B></A> <A HREF="RankedOutputSearch.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">weka.attributeSelection</FONT><BR>Interface RankedOutputSearch</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../weka/attributeSelection/FCBFSearch.html" title="class in weka.attributeSelection">FCBFSearch</A>, <A HREF="../../weka/attributeSelection/GreedyStepwise.html" title="class in weka.attributeSelection">GreedyStepwise</A>, <A HREF="../../weka/attributeSelection/RaceSearch.html" title="class in weka.attributeSelection">RaceSearch</A>, <A HREF="../../weka/attributeSelection/Ranker.html" title="class in weka.attributeSelection">Ranker</A></DD></DL><HR><DL><DT><PRE>public interface <B>RankedOutputSearch</B></DL></PRE><P>Interface for search methods capable of producing a ranked list of attributes.<P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.10 $</DD><DT><B>Author:</B></DT> <DD>Mark Hall (mhall@cs.waikato.ac.nz)</DD></DL><HR><P><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/RankedOutputSearch.html#getCalculatedNumToSelect()">getCalculatedNumToSelect</A></B>()</CODE><BR> Gets the calculated number of attributes to retain.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/RankedOutputSearch.html#getGenerateRanking()">getGenerateRanking</A></B>()</CODE><BR> Gets whether the user has opted to see a ranked list of attributes rather than the normal result of the search</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/RankedOutputSearch.html#getNumToSelect()">getNumToSelect</A></B>()</CODE><BR> Gets the user specified number of attributes to be retained.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/RankedOutputSearch.html#getThreshold()">getThreshold</A></B>()</CODE><BR> Gets the threshold by which attributes can be discarded.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double[][]</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/RankedOutputSearch.html#rankedAttributes()">rankedAttributes</A></B>()</CODE><BR> Returns a X by 2 list of attribute indexes and corresponding evaluations from best (highest) to worst.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/RankedOutputSearch.html#setGenerateRanking(boolean)">setGenerateRanking</A></B>(boolean doRanking)</CODE><BR> Sets whether or not ranking is to be performed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/RankedOutputSearch.html#setNumToSelect(int)">setNumToSelect</A></B>(int numToSelect)</CODE><BR> Specify the number of attributes to select from the ranked list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/RankedOutputSearch.html#setThreshold(double)">setThreshold</A></B>(double threshold)</CODE><BR> Sets a threshold by which attributes can be discarded from the ranking.</TD></TR></TABLE> <P><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="rankedAttributes()"><!-- --></A><H3>rankedAttributes</H3><PRE>double[][] <B>rankedAttributes</B>() throws java.lang.Exception</PRE><DL><DD>Returns a X by 2 list of attribute indexes and corresponding evaluations from best (highest) to worst.<P><DD><DL><DT><B>Returns:</B><DD>the ranked list of attribute indexes in an array of ints<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if the ranking can't be produced</DL></DD></DL><HR><A NAME="setThreshold(double)"><!-- --></A><H3>setThreshold</H3><PRE>void <B>setThreshold</B>(double threshold)</PRE><DL><DD>Sets a threshold by which attributes can be discarded from the ranking. This threshold is used by the AttributeSelection module which does the actual discarding of attributes---the implementer of this method needs only to provide a variable in which to store the supplied threshold. -Double.MAX_VALUE is reserved to mean no threshold, ie, retain all attributes.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>threshold</CODE> - the threshold.</DL></DD></DL><HR><A NAME="getThreshold()"><!-- --></A><H3>getThreshold</H3><PRE>double <B>getThreshold</B>()</PRE><DL><DD>Gets the threshold by which attributes can be discarded. Discarding of attributes is done by the AttributeSelection module using the threshold returned by this method.<P><DD><DL><DT><B>Returns:</B><DD>a threshold by which to discard attributes</DL></DD></DL><HR><A NAME="setNumToSelect(int)"><!-- --></A><H3>setNumToSelect</H3><PRE>void <B>setNumToSelect</B>(int numToSelect)</PRE><DL><DD>Specify the number of attributes to select from the ranked list. < 0 indicates that all attributes are to be retained. NumToSelect has precedence over threshold, ie. if there is a non -1 value for NumToSelect then this will take precedence over any threshold value.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>numToSelect</CODE> - the number of attributes to retain</DL></DD></DL><HR><A NAME="getNumToSelect()"><!-- --></A><H3>getNumToSelect</H3><PRE>int <B>getNumToSelect</B>()</PRE><DL><DD>Gets the user specified number of attributes to be retained.<P><DD><DL><DT><B>Returns:</B><DD>the number of attributes to retain</DL></DD></DL><HR><A NAME="getCalculatedNumToSelect()"><!-- --></A><H3>getCalculatedNumToSelect</H3><PRE>int <B>getCalculatedNumToSelect</B>()</PRE><DL><DD>Gets the calculated number of attributes to retain. This is the actual number of attributes to retain. This is the same as getNumToSelect if the user specifies a number which is not less than zero. Otherwise it should be the number of attributes in the (potentially transformed) data.<P><DD><DL></DL></DD></DL><HR><A NAME="setGenerateRanking(boolean)"><!-- --></A><H3>setGenerateRanking</H3><PRE>void <B>setGenerateRanking</B>(boolean doRanking)</PRE><DL><DD>Sets whether or not ranking is to be performed. When a search method is capable of producing a ranked list of attributes, the user has the choice of seeing the results of a normal search or seeing a ranked list.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>doRanking</CODE> - true if ranked list is to be produced</DL></DD></DL><HR><A NAME="getGenerateRanking()"><!-- --></A><H3>getGenerateRanking</H3><PRE>boolean <B>getGenerateRanking</B>()</PRE><DL><DD>Gets whether the user has opted to see a ranked list of attributes rather than the normal result of the search<P><DD><DL><DT><B>Returns:</B><DD>true if a ranked list has been requested.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../weka/attributeSelection/RandomSearch.html" title="class in weka.attributeSelection"><B>PREV CLASS</B></A> <A HREF="../../weka/attributeSelection/Ranker.html" title="class in weka.attributeSelection"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?weka/attributeSelection/RankedOutputSearch.html" target="_top"><B>FRAMES</B></A> <A HREF="RankedOutputSearch.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>⌨️ 快捷键说明
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