pairedstats.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

public <A HREF="../../weka/experiment/Stats.html" title="class in weka.experiment">Stats</A> <B>xStats</B></PRE>
<DL>
<DD>The stats associated with the data in column 1
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="yStats"><!-- --></A><H3>
yStats</H3>
<PRE>
public <A HREF="../../weka/experiment/Stats.html" title="class in weka.experiment">Stats</A> <B>yStats</B></PRE>
<DL>
<DD>The stats associated with the data in column 2
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="differencesStats"><!-- --></A><H3>
differencesStats</H3>
<PRE>
public <A HREF="../../weka/experiment/Stats.html" title="class in weka.experiment">Stats</A> <B>differencesStats</B></PRE>
<DL>
<DD>The stats associated with the paired differences
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="differencesProbability"><!-- --></A><H3>
differencesProbability</H3>
<PRE>
public double <B>differencesProbability</B></PRE>
<DL>
<DD>The probability of obtaining the observed differences
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="correlation"><!-- --></A><H3>
correlation</H3>
<PRE>
public double <B>correlation</B></PRE>
<DL>
<DD>The correlation coefficient
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="xySum"><!-- --></A><H3>
xySum</H3>
<PRE>
public double <B>xySum</B></PRE>
<DL>
<DD>The sum of the products
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="count"><!-- --></A><H3>
count</H3>
<PRE>
public double <B>count</B></PRE>
<DL>
<DD>The number of data points seen
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="differencesSignificance"><!-- --></A><H3>
differencesSignificance</H3>
<PRE>
public int <B>differencesSignificance</B></PRE>
<DL>
<DD>A significance indicator:
 0 if the differences are not significant
 > 0 if x significantly greater than y
 < 0 if x significantly less than y
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="sigLevel"><!-- --></A><H3>
sigLevel</H3>
<PRE>
public double <B>sigLevel</B></PRE>
<DL>
<DD>The significance level for comparisons
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<A NAME="PairedStats(double)"><!-- --></A><H3>
PairedStats</H3>
<PRE>
public <B>PairedStats</B>(double&nbsp;sig)</PRE>
<DL>
<DD>Creates a new PairedStats object with the supplied significance level.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>sig</CODE> - the significance level for comparisons</DL>
</DL>

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<A NAME="setDegreesOfFreedom(int)"><!-- --></A><H3>
setDegreesOfFreedom</H3>
<PRE>
public void <B>setDegreesOfFreedom</B>(int&nbsp;d)</PRE>
<DL>
<DD>Sets the degrees of freedom (if calibration is required).
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getDegreesOfFreedom()"><!-- --></A><H3>
getDegreesOfFreedom</H3>
<PRE>
public int <B>getDegreesOfFreedom</B>()</PRE>
<DL>
<DD>Gets the degrees of freedom.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="add(double, double)"><!-- --></A><H3>
add</H3>
<PRE>
public void <B>add</B>(double&nbsp;value1,
                double&nbsp;value2)</PRE>
<DL>
<DD>Add an observed pair of values.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value1</CODE> - the value from column 1<DD><CODE>value2</CODE> - the value from column 2</DL>
</DD>
</DL>
<HR>

<A NAME="subtract(double, double)"><!-- --></A><H3>
subtract</H3>
<PRE>
public void <B>subtract</B>(double&nbsp;value1,
                     double&nbsp;value2)</PRE>
<DL>
<DD>Removes an observed pair of values.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value1</CODE> - the value from column 1<DD><CODE>value2</CODE> - the value from column 2</DL>
</DD>
</DL>
<HR>

<A NAME="add(double[], double[])"><!-- --></A><H3>
add</H3>
<PRE>
public void <B>add</B>(double[]&nbsp;value1,
                double[]&nbsp;value2)</PRE>
<DL>
<DD>Adds an array of observed pair of values.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value1</CODE> - the array containing values from column 1<DD><CODE>value2</CODE> - the array containing values from column 2</DL>
</DD>
</DL>
<HR>

<A NAME="subtract(double[], double[])"><!-- --></A><H3>
subtract</H3>
<PRE>
public void <B>subtract</B>(double[]&nbsp;value1,
                     double[]&nbsp;value2)</PRE>
<DL>
<DD>Removes an array of observed pair of values.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value1</CODE> - the array containing values from column 1<DD><CODE>value2</CODE> - the array containing values from column 2</DL>
</DD>
</DL>
<HR>

<A NAME="calculateDerived()"><!-- --></A><H3>
calculateDerived</H3>
<PRE>
public void <B>calculateDerived</B>()</PRE>
<DL>
<DD>Calculates the derived statistics (significance etc).
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Returns statistics on the paired comparison.
<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>the t-test statistics as a string</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>Tests the paired stats object from the command line.
 reads line from stdin, expecting two values per line.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - ignored.</DL>
</DD>
</DL>
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