thresholdselector.html

< 数据挖掘--实用机器学习技术及java实现> 一书结合数据挖掘和机器学习的知识,作者陈述了自动挖掘模式的基础理论,并且以java语言实现了具有代表性的各类数据挖掘方法.例如:class

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<B>Constructor Summary</B></FONT></TD>
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<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#ThresholdSelector()">ThresholdSelector</A></B>()</CODE>

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<!-- ========== METHOD SUMMARY =========== -->

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<B>Method Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#buildClassifier(weka.core.Instances)">buildClassifier</A></B>(<A HREF="../../weka/core/Instances.html">Instances</A>&nbsp;instances)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Generates the classifier.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#designatedClassTipText()">designatedClassTipText</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#distributionClassifierTipText()">distributionClassifierTipText</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>&nbsp;double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#distributionForInstance(weka.core.Instance)">distributionForInstance</A></B>(<A HREF="../../weka/core/Instance.html">Instance</A>&nbsp;instance)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Calculates the class membership probabilities for the given test instance.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#evaluationModeTipText()">evaluationModeTipText</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#findThreshold(weka.core.FastVector)">findThreshold</A></B>(<A HREF="../../weka/core/FastVector.html">FastVector</A>&nbsp;predictions)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Finds the best threshold, this implementation searches for the
 highest FMeasure.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../weka/core/SelectedTag.html">SelectedTag</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#getDesignatedClass()">getDesignatedClass</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the method to determine which class value to optimize.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../weka/classifiers/DistributionClassifier.html">DistributionClassifier</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#getDistributionClassifier()">getDistributionClassifier</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the DistributionClassifier used as the classifier.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../weka/core/SelectedTag.html">SelectedTag</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#getEvaluationMode()">getEvaluationMode</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the evaluation mode used.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#getNumXValFolds()">getNumXValFolds</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the number of folds used for cross-validation.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#getOptions()">getOptions</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the current settings of the Classifier.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../weka/core/FastVector.html">FastVector</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#getPredictions(weka.core.Instances, int, int)">getPredictions</A></B>(<A HREF="../../weka/core/Instances.html">Instances</A>&nbsp;instances,
               int&nbsp;mode,
               int&nbsp;numFolds)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Collects the classifier predictions using the specified evaluation method.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../weka/core/SelectedTag.html">SelectedTag</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#getRangeCorrection()">getRangeCorrection</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the confidence range correction mode used.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#getSeed()">getSeed</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the random number seed.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#globalInfo()">globalInfo</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>&nbsp;java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#listOptions()">listOptions</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an enumeration describing the available options</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#main(java.lang.String[])">main</A></B>(java.lang.String[]&nbsp;argv)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Main method for testing this class.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#numXValFoldsTipText()">numXValFoldsTipText</A></B>()</CODE>

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#rangeCorrectionTipText()">rangeCorrectionTipText</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#seedTipText()">seedTipText</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#setDesignatedClass(weka.core.SelectedTag)">setDesignatedClass</A></B>(<A HREF="../../weka/core/SelectedTag.html">SelectedTag</A>&nbsp;newMethod)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the method to determine which class value to optimize.</TD>
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<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/classifiers/ThresholdSelector.html#setDistributionClassifier(weka.classifiers.DistributionClassifier)">setDistributionClassifier</A></B>(<A HREF="../../weka/classifiers/DistributionClassifier.html">DistributionClassifier</A>&nbsp;newClassifier)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the DistributionClassifier for which threshold is set.</TD>
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<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/classifiers/ThresholdSelector.html#setEvaluationMode(weka.core.SelectedTag)">setEvaluationMode</A></B>(<A HREF="../../weka/core/SelectedTag.html">SelectedTag</A>&nbsp;newMethod)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the evaluation mode used.</TD>
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<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/classifiers/ThresholdSelector.html#setNumXValFolds(int)">setNumXValFolds</A></B>(int&nbsp;newNumFolds)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the number of folds used for cross-validation.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../weka/classifiers/ThresholdSelector.html#setOptions(java.lang.String[])">setOptions</A></B>(java.lang.String[]&nbsp;options)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Parses a given list of options.</TD>
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<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/classifiers/ThresholdSelector.html#setRangeCorrection(weka.core.SelectedTag)">setRangeCorrection</A></B>(<A HREF="../../weka/core/SelectedTag.html">SelectedTag</A>&nbsp;newMethod)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the confidence range correction mode used.</TD>
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<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/classifiers/ThresholdSelector.html#setSeed(int)">setSeed</A></B>(int&nbsp;seed)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the seed for random number generation.</TD>
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<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/classifiers/ThresholdSelector.html#toString()">toString</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns description of the cross-validated classifier.</TD>
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&nbsp;<A NAME="methods_inherited_from_class_weka.classifiers.DistributionClassifier"><!-- --></A>
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<TD><B>Methods inherited from class weka.classifiers.<A HREF="../../weka/classifiers/DistributionClassifier.html">DistributionClassifier</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../weka/classifiers/DistributionClassifier.html#classifyInstance(weka.core.Instance)">classifyInstance</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_weka.classifiers.Classifier"><!-- --></A>
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class weka.classifiers.<A HREF="../../weka/classifiers/Classifier.html">Classifier</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../weka/classifiers/Classifier.html#forName(java.lang.String, java.lang.String[])">forName</A>, <A HREF="../../weka/classifiers/Classifier.html#makeCopies(weka.classifiers.Classifier, int)">makeCopies</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
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&nbsp;
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<A NAME="RANGE_NONE"><!-- --></A><H3>
RANGE_NONE</H3>
<PRE>
public static final int <B>RANGE_NONE</B></PRE>
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</DL>
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<A NAME="RANGE_BOUNDS"><!-- --></A><H3>
RANGE_BOUNDS</H3>
<PRE>
public static final int <B>RANGE_BOUNDS</B></PRE>
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</DL>
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<A NAME="TAGS_RANGE"><!-- --></A><H3>
TAGS_RANGE</H3>
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public static final <A HREF="../../weka/core/Tag.html">Tag</A>[] <B>TAGS_RANGE</B></PRE>
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<A NAME="EVAL_TRAINING_SET"><!-- --></A><H3>
EVAL_TRAINING_SET</H3>
<PRE>
public static final int <B>EVAL_TRAINING_SET</B></PRE>
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</DL>
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<A NAME="EVAL_TUNED_SPLIT"><!-- --></A><H3>
EVAL_TUNED_SPLIT</H3>
<PRE>
public static final int <B>EVAL_TUNED_SPLIT</B></PRE>
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</DL>
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<A NAME="EVAL_CROSS_VALIDATION"><!-- --></A><H3>
EVAL_CROSS_VALIDATION</H3>
<PRE>
public static final int <B>EVAL_CROSS_VALIDATION</B></PRE>
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