linearforwardselection.html

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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/attributeSelection/LinearForwardSelection.html#setSearchTermination(int)">setSearchTermination</A></B>(int&nbsp;t)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the numnber of non-improving nodes to consider before terminating
 search.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/attributeSelection/LinearForwardSelection.html#setStartSet(java.lang.String)">setStartSet</A></B>(java.lang.String&nbsp;startSet)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets a starting set of attributes for the search.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/attributeSelection/LinearForwardSelection.html#setType(weka.core.SelectedTag)">setType</A></B>(<A HREF="../../weka/core/SelectedTag.html" title="class in weka.core">SelectedTag</A>&nbsp;t)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the type</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/attributeSelection/LinearForwardSelection.html#setVerbose(boolean)">setVerbose</A></B>(boolean&nbsp;b)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set whether verbose output should be generated.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/attributeSelection/LinearForwardSelection.html#startSetTipText()">startSetTipText</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the tip text for this property</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/attributeSelection/LinearForwardSelection.html#toString()">toString</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;returns a description of the search as a String</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/attributeSelection/LinearForwardSelection.html#typeTipText()">typeTipText</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the tip text for this property</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/attributeSelection/LinearForwardSelection.html#verboseTipText()">verboseTipText</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the tip text for this property</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_weka.attributeSelection.ASSearch"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class weka.attributeSelection.<A HREF="../../weka/attributeSelection/ASSearch.html" title="class in weka.attributeSelection">ASSearch</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../weka/attributeSelection/ASSearch.html#forName(java.lang.String, java.lang.String[])">forName</A>, <A HREF="../../weka/attributeSelection/ASSearch.html#makeCopies(weka.attributeSelection.ASSearch, int)">makeCopies</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>equals, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="TAGS_SEARCH_METHOD"><!-- --></A><H3>
TAGS_SEARCH_METHOD</H3>
<PRE>
public static final <A HREF="../../weka/core/Tag.html" title="class in weka.core">Tag</A>[] <B>TAGS_SEARCH_METHOD</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="TAGS_TYPE"><!-- --></A><H3>
TAGS_TYPE</H3>
<PRE>
public static final <A HREF="../../weka/core/Tag.html" title="class in weka.core">Tag</A>[] <B>TAGS_TYPE</B></PRE>
<DL>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_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>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="LinearForwardSelection()"><!-- --></A><H3>
LinearForwardSelection</H3>
<PRE>
public <B>LinearForwardSelection</B>()</PRE>
<DL>
<DD>Constructor
<P>
</DL>

<!-- ============ 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>
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</TABLE>

<A NAME="globalInfo()"><!-- --></A><H3>
globalInfo</H3>
<PRE>
public java.lang.String <B>globalInfo</B>()</PRE>
<DL>
<DD>Returns a string describing this search method
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a description of the search method suitable for displaying in the
         explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="getTechnicalInformation()"><!-- --></A><H3>
getTechnicalInformation</H3>
<PRE>
public <A HREF="../../weka/core/TechnicalInformation.html" title="class in weka.core">TechnicalInformation</A> <B>getTechnicalInformation</B>()</PRE>
<DL>
<DD>Returns an instance of a TechnicalInformation object, containing 
 detailed information about the technical background of this class,
 e.g., paper reference or book this class is based on.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/core/TechnicalInformationHandler.html#getTechnicalInformation()">getTechnicalInformation</A></CODE> in interface <CODE><A HREF="../../weka/core/TechnicalInformationHandler.html" title="interface in weka.core">TechnicalInformationHandler</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the technical information about this class</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.

 Valid options are:
 <p>

 -P <start set> <br>
 Specify a starting set of attributes. Eg 1,4,7-9.
 <p>

 -D <0 = forward selection | 1 = floating forward selection> <br>
 Forward selection method of the search. (default = 0).
 <p>

 -N <num> <br>
 Number of non improving nodes to consider before terminating search.
 (default = 5).
 <p>

 -I <br>
 Perform initial ranking to select top-ranked attributes.
 <p>

 -K <num> <br>
 Number of top-ranked attributes that are taken into account.
 <p>

 -T <0 = fixed-set | 1 = fixed-width> <br>
 Typ of Linear Forward Selection (default = 0).
 <p>

 -S <num> <br>
 Size of lookup cache for evaluated subsets. Expressed as a multiple of
 the number of attributes in the data set. (default = 1).
 <p>

 -Z <br>
 verbose on/off.
 <p>
<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="setLookupCacheSize(int)"><!-- --></A><H3>
setLookupCacheSize</H3>
<PRE>
public void <B>setLookupCacheSize</B>(int&nbsp;size)</PRE>
<DL>
<DD>Set the maximum size of the evaluated subset cache (hashtable). This is
 expressed as a multiplier for the number of attributes in the data set.
 (default = 1).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>size</CODE> - the maximum size of the hashtable</DL>
</DD>
</DL>
<HR>

<A NAME="getLookupCacheSize()"><!-- --></A><H3>
getLookupCacheSize</H3>
<PRE>
public int <B>getLookupCacheSize</B>()</PRE>
<DL>
<DD>Return the maximum size of the evaluated subset cache (expressed as a
 multiplier for the number of attributes in a data set.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the maximum size of the hashtable.</DL>
</DD>
</DL>
<HR>

<A NAME="lookupCacheSizeTipText()"><!-- --></A><H3>
lookupCacheSizeTipText</H3>
<PRE>
public java.lang.String <B>lookupCacheSizeTipText</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="startSetTipText()"><!-- --></A><H3>
startSetTipText</H3>
<PRE>
public java.lang.String <B>startSetTipText</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="setStartSet(java.lang.String)"><!-- --></A><H3>
setStartSet</H3>
<PRE>
public void <B>setStartSet</B>(java.lang.String&nbsp;startSet)
                 throws java.lang.Exception</PRE>
<DL>
<DD>Sets a starting set of attributes for the search. It is the search
 method's responsibility to report this start set (if any) in its
 toString() method.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/attributeSelection/StartSetHandler.html#setStartSet(java.lang.String)">setStartSet</A></CODE> in interface <CODE><A HREF="../../weka/attributeSelection/StartSetHandler.html" title="interface in weka.attributeSelection">StartSetHandler</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>startSet</CODE> - a string containing a list of attributes (and or ranges), eg.
            1,2,6,10-15.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if start set can't be set.</DL>
</DD>
</DL>
<HR>

<A NAME="getStartSet()"><!-- --></A><H3>
getStartSet</H3>
<PRE>
public java.lang.String <B>getStartSet</B>()</PRE>
<DL>
<DD>Returns a list of attributes (and or attribute ranges) as a String
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/attributeSelection/StartSetHandler.html#getStartSet()">getStartSet</A></CODE> in interface <CODE><A HREF="../../weka/attributeSelection/StartSetHandler.html" title="interface in weka.attributeSelection">StartSetHandler</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a list of attributes (and or attribute ranges)</DL>
</DD>
</DL>
<HR>

<A NAME="searchTerminationTipText()"><!-- --></A><H3>
searchTerminationTipText</H3>
<PRE>
public java.lang.String <B>searchTerminationTipText</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="setSearchTermination(int)"><!-- --></A><H3>
setSearchTermination</H3>
<PRE>
public void <B>setSearchTermination</B>(int&nbsp;t)
                          throws java.lang.Exception</PRE>
<DL>
<DD>Set the numnber of non-improving nodes to consider before terminating
 search.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>t</CODE> - the number of non-improving nodes
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if t is less than 1</DL>
</DD>
</DL>
<HR>

<A NAME="getSearchTermination()"><!-- --></A><H3>
getSearchTermination</H3>
<PRE>
public int <B>getSearchTermination</B>()</PRE>
<DL>