📄 kernel.html
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<CODE>static <A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html" title="class in weka.classifiers.functions.supportVector">Kernel</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html#makeCopy(weka.classifiers.functions.supportVector.Kernel)">makeCopy</A></B>(<A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html" title="class in weka.classifiers.functions.supportVector">Kernel</A> kernel)</CODE><BR> Creates a deep copy of the given kernel using serialization.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html#numCacheHits()">numCacheHits</A></B>()</CODE><BR> Returns the number of dot product cache hits.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html#numEvals()">numEvals</A></B>()</CODE><BR> Returns the number of kernel evaluation 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/classifiers/functions/supportVector/Kernel.html#setChecksTurnedOff(boolean)">setChecksTurnedOff</A></B>(boolean value)</CODE><BR> Disables or enables the checks (which could be time-consuming).</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/classifiers/functions/supportVector/Kernel.html#setDebug(boolean)">setDebug</A></B>(boolean value)</CODE><BR> Enables or disables the output of debug information (if the derived kernel supports that)</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/classifiers/functions/supportVector/Kernel.html#setOptions(java.lang.String[])">setOptions</A></B>(java.lang.String[] options)</CODE><BR> Parses a given list of options.</TD></TR></TABLE> <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, toString, wait, wait, wait</CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_weka.core.RevisionHandler"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from interface weka.core.<A HREF="../../../../weka/core/RevisionHandler.html" title="interface in weka.core">RevisionHandler</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../weka/core/RevisionHandler.html#getRevision()">getRevision</A></CODE></TD></TR></TABLE> <P><!-- ========= 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="Kernel()"><!-- --></A><H3>Kernel</H3><PRE>public <B>Kernel</B>()</PRE><DL></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></TR></TABLE><A NAME="globalInfo()"><!-- --></A><H3>globalInfo</H3><PRE>public abstract java.lang.String <B>globalInfo</B>()</PRE><DL><DD>Returns a string describing the kernel<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>a description suitable for displaying in the explorer/experimenter gui</DL></DD></DL><HR><A NAME="eval(int, int, weka.core.Instance)"><!-- --></A><H3>eval</H3><PRE>public abstract double <B>eval</B>(int id1, int id2, <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> inst1) throws java.lang.Exception</PRE><DL><DD>Computes the result of the kernel function for two instances. If id1 == -1, eval use inst1 instead of an instance in the dataset.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>id1</CODE> - the index of the first instance in the dataset<DD><CODE>id2</CODE> - the index of the second instance in the dataset<DD><CODE>inst1</CODE> - the instance corresponding to id1 (used if id1 == -1)<DT><B>Returns:</B><DD>the result of the kernel function<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL></DD></DL><HR><A NAME="clean()"><!-- --></A><H3>clean</H3><PRE>public abstract void <B>clean</B>()</PRE><DL><DD>Frees the memory used by the kernel. (Useful with kernels which use cache.) This function is called when the training is done. i.e. after that, eval will be called with id1 == -1.<P><DD><DL></DL></DD><DD><DL></DL></DD></DL><HR><A NAME="numEvals()"><!-- --></A><H3>numEvals</H3><PRE>public abstract int <B>numEvals</B>()</PRE><DL><DD>Returns the number of kernel evaluation performed.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the number of kernel evaluation performed.</DL></DD></DL><HR><A NAME="numCacheHits()"><!-- --></A><H3>numCacheHits</H3><PRE>public abstract int <B>numCacheHits</B>()</PRE><DL><DD>Returns the number of dot product cache hits.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the number of dot product cache hits, or -1 if not supported by this kernel.</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[] options) throws java.lang.Exception</PRE><DL><DD>Parses a given list of options. <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="getOptions()"><!-- --></A><H3>getOptions</H3><PRE>public java.lang.String[] <B>getOptions</B>()</PRE><DL><DD>Gets the current settings of the Kernel.<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="setDebug(boolean)"><!-- --></A><H3>setDebug</H3><PRE>public void <B>setDebug</B>(boolean value)</PRE><DL><DD>Enables or disables the output of debug information (if the derived kernel supports that)<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>value</CODE> - whether to output debugging information</DL></DD>⌨️ 快捷键说明
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