kernel.html

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<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[]&nbsp;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&nbsp;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>
</DL>
<HR>

<A NAME="getDebug()"><!-- --></A><H3>
getDebug</H3>
<PRE>
public boolean <B>getDebug</B>()</PRE>
<DL>
<DD>Gets whether debugging output is turned on or not.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if debugging output is produced.</DL>
</DD>
</DL>
<HR>

<A NAME="debugTipText()"><!-- --></A><H3>
debugTipText</H3>
<PRE>
public java.lang.String <B>debugTipText</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="setChecksTurnedOff(boolean)"><!-- --></A><H3>
setChecksTurnedOff</H3>
<PRE>
public void <B>setChecksTurnedOff</B>(boolean&nbsp;value)</PRE>
<DL>
<DD>Disables or enables the checks (which could be time-consuming). Use with
 caution!
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - if true turns off all checks</DL>
</DD>
</DL>
<HR>

<A NAME="getChecksTurnedOff()"><!-- --></A><H3>
getChecksTurnedOff</H3>
<PRE>
public boolean <B>getChecksTurnedOff</B>()</PRE>
<DL>
<DD>Returns whether the checks are turned off or not.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if the checks are turned off</DL>
</DD>
</DL>
<HR>

<A NAME="checksTurnedOffTipText()"><!-- --></A><H3>
checksTurnedOffTipText</H3>
<PRE>
public java.lang.String <B>checksTurnedOffTipText</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="getCapabilities()"><!-- --></A><H3>
getCapabilities</H3>
<PRE>
public <A HREF="../../../../weka/core/Capabilities.html" title="class in weka.core">Capabilities</A> <B>getCapabilities</B>()</PRE>
<DL>
<DD>Returns the Capabilities of this kernel. Derived kernels have to
 override this method to enable capabilities.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/core/CapabilitiesHandler.html#getCapabilities()">getCapabilities</A></CODE> in interface <CODE><A HREF="../../../../weka/core/CapabilitiesHandler.html" title="interface in weka.core">CapabilitiesHandler</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the capabilities of this object<DT><B>See Also:</B><DD><A HREF="../../../../weka/core/Capabilities.html" title="class in weka.core"><CODE>Capabilities</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="buildKernel(weka.core.Instances)"><!-- --></A><H3>
buildKernel</H3>
<PRE>
public void <B>buildKernel</B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;data)
                 throws java.lang.Exception</PRE>
<DL>
<DD>builds the kernel with the given data
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the data to base the kernel on
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL>
</DD>
</DL>
<HR>

<A NAME="makeCopy(weka.classifiers.functions.supportVector.Kernel)"><!-- --></A><H3>
makeCopy</H3>
<PRE>
public static <A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html" title="class in weka.classifiers.functions.supportVector">Kernel</A> <B>makeCopy</B>(<A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html" title="class in weka.classifiers.functions.supportVector">Kernel</A>&nbsp;kernel)
                       throws java.lang.Exception</PRE>
<DL>
<DD>Creates a deep copy of the given kernel using serialization.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>kernel</CODE> - the kernel to copy
<DT><B>Returns:</B><DD>a deep copy of the kernel
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="makeCopies(weka.classifiers.functions.supportVector.Kernel, int)"><!-- --></A><H3>
makeCopies</H3>
<PRE>
public static <A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html" title="class in weka.classifiers.functions.supportVector">Kernel</A>[] <B>makeCopies</B>(<A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html" title="class in weka.classifiers.functions.supportVector">Kernel</A>&nbsp;model,
                                  int&nbsp;num)
                           throws java.lang.Exception</PRE>
<DL>
<DD>Creates a given number of deep copies of the given kernel using 
 serialization.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>model</CODE> - the kernel to copy<DD><CODE>num</CODE> - the number of kernel copies to create.
<DT><B>Returns:</B><DD>an array of kernels.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="forName(java.lang.String, java.lang.String[])"><!-- --></A><H3>
forName</H3>
<PRE>
public static <A HREF="../../../../weka/classifiers/functions/supportVector/Kernel.html" title="class in weka.classifiers.functions.supportVector">Kernel</A> <B>forName</B>(java.lang.String&nbsp;kernelName,
                             java.lang.String[]&nbsp;options)
                      throws java.lang.Exception</PRE>
<DL>
<DD>Creates a new instance of a kernel given it's class name and
 (optional) arguments to pass to it's setOptions method.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>kernelName</CODE> - the fully qualified class name of the classifier<DD><CODE>options</CODE> - an array of options suitable for passing to setOptions. May
                        be null.
<DT><B>Returns:</B><DD>the newly created classifier, ready for use.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the classifier name is invalid, or the options
                        supplied are not acceptable to the classifier</DL>
</DD>
</DL>
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