olm.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

<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the extension type to use</DL>
</DD>
</DL>
<HR>

<A NAME="getExtensionType()"><!-- --></A><H3>
getExtensionType</H3>
<PRE>
public <A HREF="../../../weka/core/SelectedTag.html" title="class in weka.core">SelectedTag</A> <B>getExtensionType</B>()</PRE>
<DL>
<DD>Gets the extension type.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the extension type</DL>
</DD>
</DL>
<HR>

<A NAME="sortTipText()"><!-- --></A><H3>
sortTipText</H3>
<PRE>
public java.lang.String <B>sortTipText</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="setSort(boolean)"><!-- --></A><H3>
setSort</H3>
<PRE>
public void <B>setSort</B>(boolean&nbsp;sort)</PRE>
<DL>
<DD>Sets if the instances are to be sorted prior to building the rule bases.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sort</CODE> - if <code> true </code> the instances will be sorted</DL>
</DD>
</DL>
<HR>

<A NAME="getSort()"><!-- --></A><H3>
getSort</H3>
<PRE>
public boolean <B>getSort</B>()</PRE>
<DL>
<DD>Returns if the instances are sorted prior to building the rule bases.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD><code> true </code> if instances are sorted prior to building
 the rule bases, <code> false </code> otherwise.</DL>
</DD>
</DL>
<HR>

<A NAME="seedTipText()"><!-- --></A><H3>
seedTipText</H3>
<PRE>
public java.lang.String <B>seedTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/RandomizableClassifier.html#seedTipText()">seedTipText</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/RandomizableClassifier.html" title="class in weka.classifiers">RandomizableClassifier</A></CODE></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="getSizeRuleBaseMin()"><!-- --></A><H3>
getSizeRuleBaseMin</H3>
<PRE>
public int <B>getSizeRuleBaseMin</B>()</PRE>
<DL>
<DD>Return the number of examples in the minimal rule base.
 The minimal rule base is the one that corresponds to the 
 rule base of Ben-David.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of examples in the minimal rule base</DL>
</DD>
</DL>
<HR>

<A NAME="getSizeRuleBaseMax()"><!-- --></A><H3>
getSizeRuleBaseMax</H3>
<PRE>
public int <B>getSizeRuleBaseMax</B>()</PRE>
<DL>
<DD>Return the number of examples in the maximal rule base.
 The maximal rule base is built using an algorithm
 dual to that for building the minimal rule base.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of examples in the maximal rule base</DL>
</DD>
</DL>
<HR>

<A NAME="classifyInstance(weka.core.Instance)"><!-- --></A><H3>
classifyInstance</H3>
<PRE>
public double <B>classifyInstance</B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;instance)</PRE>
<DL>
<DD>Classifies a given instance according to the current settings
 of the classifier.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#classifyInstance(weka.core.Instance)">classifyInstance</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instance</CODE> - the instance to be classified
<DT><B>Returns:</B><DD>a <code> double </code> that represents the classification,
 this could either be the internal value of a label, when rounding is 
 on, or a real number.</DL>
</DD>
</DL>
<HR>

<A NAME="buildClassifier(weka.core.Instances)"><!-- --></A><H3>
buildClassifier</H3>
<PRE>
public void <B>buildClassifier</B>(<A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;instances)
                     throws java.lang.Exception</PRE>
<DL>
<DD>Build the OLM classifier, meaning that the rule bases 
 are built.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/classifiers/Classifier.html#buildClassifier(weka.core.Instances)">buildClassifier</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instances</CODE> - the instances to use for building the rule base
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if <code> instances </code> cannot be handled by
 the classifier.</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Returns a string description of the classifier.  In debug
 mode, the rule bases are added to the string representation
 as well.  This means that the description can become rather
 lengthy.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code> String </code> describing the classifier.</DL>
</DD>
</DL>
<HR>

<A NAME="listOptions()"><!-- --></A><H3>
listOptions</H3>
<PRE>
public java.util.Enumeration <B>listOptions</B>()</PRE>
<DL>
<DD>Get an enumeration of all available options for this classifier.
<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><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/RandomizableClassifier.html#listOptions()">listOptions</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/RandomizableClassifier.html" title="class in weka.classifiers">RandomizableClassifier</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an enumeration of 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 the options for this object. <p/>

   <!-- options-start -->
 Valid options are: <p/>
 
 <pre> -S &lt;num&gt;
  Random number seed.
  (default 1)</pre>
 
 <pre> -D
  If set, classifier is run in debug mode and
  may output additional info to the console</pre>
 
 <pre> -C &lt;CL|REG&gt;
  Sets the classification type to be used.
  (Default: REG)</pre>
 
 <pre> -A &lt;MEAN|MED|MAX&gt;
  Sets the averaging type used in phase 1 of the classifier.
  (Default: MEAN)</pre>
 
 <pre> -N &lt;NONE|EUCL|HAM&gt;
  If different from NONE, a nearest neighbour rule is fired when the
  rule base doesn't contain an example smaller than the instance
  to be classified
  (Default: NONE).</pre>
 
 <pre> -E &lt;MIN|MAX|BOTH&gt;
  Sets the extension type, i.e. the rule base to use.
  (Default: MIN)</pre>
 
 <pre> -sort
  If set, the instances are also sorted within the same class
  before building the rule bases</pre>
 
   <!-- options-end -->
<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><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/RandomizableClassifier.html#setOptions(java.lang.String[])">setOptions</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/RandomizableClassifier.html" title="class in weka.classifiers">RandomizableClassifier</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>options</CODE> - an array of strings containing the options
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if there are options that have invalid arguments.</DL>
</DD>
</DL>
<HR>

<A NAME="getOptions()"><!-- --></A><H3>
getOptions</H3>
<PRE>
public java.lang.String[] <B>getOptions</B>()</PRE>
<DL>
<DD>Gets an array of string with the current options of the classifier.
<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><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/classifiers/RandomizableClassifier.html#getOptions()">getOptions</A></CODE> in class <CODE><A HREF="../../../weka/classifiers/RandomizableClassifier.html" title="class in weka.classifiers">RandomizableClassifier</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array suitable as argument for <code> setOptions </code></DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;args)</PRE>
<DL>
<DD>Main method for testing this class.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - the command line arguments</DL>
</DD>
</DL>
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