discreteestimator.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

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<B>Constructor Detail</B></FONT></TH>
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<A NAME="DiscreteEstimator(int, boolean)"><!-- --></A><H3>
DiscreteEstimator</H3>
<PRE>
public <B>DiscreteEstimator</B>(int&nbsp;numSymbols,
                         boolean&nbsp;laplace)</PRE>
<DL>
<DD>Constructor
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>numSymbols</CODE> - the number of possible symbols (remember to include 0)<DD><CODE>laplace</CODE> - if true, counts will be initialised to 1</DL>
</DL>
<HR>

<A NAME="DiscreteEstimator(int, double)"><!-- --></A><H3>
DiscreteEstimator</H3>
<PRE>
public <B>DiscreteEstimator</B>(int&nbsp;nSymbols,
                         double&nbsp;fPrior)</PRE>
<DL>
<DD>Constructor
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>nSymbols</CODE> - the number of possible symbols (remember to include 0)<DD><CODE>fPrior</CODE> - value with which counts will be initialised</DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<A NAME="addValue(double, double)"><!-- --></A><H3>
addValue</H3>
<PRE>
public void <B>addValue</B>(double&nbsp;data,
                     double&nbsp;weight)</PRE>
<DL>
<DD>Add a new data value to the current estimator.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/estimators/IncrementalEstimator.html#addValue(double, double)">addValue</A></CODE> in interface <CODE><A HREF="../../weka/estimators/IncrementalEstimator.html" title="interface in weka.estimators">IncrementalEstimator</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/estimators/Estimator.html#addValue(double, double)">addValue</A></CODE> in class <CODE><A HREF="../../weka/estimators/Estimator.html" title="class in weka.estimators">Estimator</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the new data value<DD><CODE>weight</CODE> - the weight assigned to the data value</DL>
</DD>
</DL>
<HR>

<A NAME="getProbability(double)"><!-- --></A><H3>
getProbability</H3>
<PRE>
public double <B>getProbability</B>(double&nbsp;data)</PRE>
<DL>
<DD>Get a probability estimate for a value
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/estimators/Estimator.html#getProbability(double)">getProbability</A></CODE> in class <CODE><A HREF="../../weka/estimators/Estimator.html" title="class in weka.estimators">Estimator</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the value to estimate the probability of
<DT><B>Returns:</B><DD>the estimated probability of the supplied value</DL>
</DD>
</DL>
<HR>

<A NAME="getNumSymbols()"><!-- --></A><H3>
getNumSymbols</H3>
<PRE>
public int <B>getNumSymbols</B>()</PRE>
<DL>
<DD>Gets the number of symbols this estimator operates with
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of estimator symbols</DL>
</DD>
</DL>
<HR>

<A NAME="getCount(double)"><!-- --></A><H3>
getCount</H3>
<PRE>
public double <B>getCount</B>(double&nbsp;data)</PRE>
<DL>
<DD>Get the count for a value
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the value to get the count of
<DT><B>Returns:</B><DD>the count of the supplied value</DL>
</DD>
</DL>
<HR>

<A NAME="getSumOfCounts()"><!-- --></A><H3>
getSumOfCounts</H3>
<PRE>
public double <B>getSumOfCounts</B>()</PRE>
<DL>
<DD>Get the sum of all the counts
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the total sum of counts</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Display a representation of this estimator
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
</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 default capabilities of the classifier.
<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><DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/estimators/Estimator.html#getCapabilities()">getCapabilities</A></CODE> in class <CODE><A HREF="../../weka/estimators/Estimator.html" title="class in weka.estimators">Estimator</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the capabilities of this classifier<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="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;argv)</PRE>
<DL>
<DD>Main method for testing this class.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>argv</CODE> - should contain a sequence of integers which
 will be treated as symbolic.</DL>
</DD>
</DL>
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