stats.html

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<PRE>
public double <B>count</B></PRE>
<DL>
<DD>The number of values seen
<P>
<DL>
</DL>
</DL>
<HR>

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

<A NAME="sumSq"><!-- --></A><H3>
sumSq</H3>
<PRE>
public double <B>sumSq</B></PRE>
<DL>
<DD>The sum of values squared seen
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="stdDev"><!-- --></A><H3>
stdDev</H3>
<PRE>
public double <B>stdDev</B></PRE>
<DL>
<DD>The std deviation of values at the last calculateDerived() call
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="mean"><!-- --></A><H3>
mean</H3>
<PRE>
public double <B>mean</B></PRE>
<DL>
<DD>The mean of values at the last calculateDerived() call
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="min"><!-- --></A><H3>
min</H3>
<PRE>
public double <B>min</B></PRE>
<DL>
<DD>The minimum value seen, or Double.NaN if no values seen
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="max"><!-- --></A><H3>
max</H3>
<PRE>
public double <B>max</B></PRE>
<DL>
<DD>The maximum value seen, or Double.NaN if no values seen
<P>
<DL>
</DL>
</DL>

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

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<A NAME="Stats()"><!-- --></A><H3>
Stats</H3>
<PRE>
public <B>Stats</B>()</PRE>
<DL>
</DL>

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

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<A NAME="add(double)"><!-- --></A><H3>
add</H3>
<PRE>
public void <B>add</B>(double&nbsp;value)</PRE>
<DL>
<DD>Adds a value to the observed values
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the observed value</DL>
</DD>
</DL>
<HR>

<A NAME="add(double, double)"><!-- --></A><H3>
add</H3>
<PRE>
public void <B>add</B>(double&nbsp;value,
                double&nbsp;n)</PRE>
<DL>
<DD>Adds a value that has been seen n times to the observed values
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the observed value<DD><CODE>n</CODE> - the number of times to add value</DL>
</DD>
</DL>
<HR>

<A NAME="subtract(double)"><!-- --></A><H3>
subtract</H3>
<PRE>
public void <B>subtract</B>(double&nbsp;value)</PRE>
<DL>
<DD>Removes a value to the observed values (no checking is done
 that the value being removed was actually added).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the observed value</DL>
</DD>
</DL>
<HR>

<A NAME="subtract(double, double)"><!-- --></A><H3>
subtract</H3>
<PRE>
public void <B>subtract</B>(double&nbsp;value,
                     double&nbsp;n)</PRE>
<DL>
<DD>Subtracts a value that has been seen n times from the observed values
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the observed value<DD><CODE>n</CODE> - the number of times to subtract value</DL>
</DD>
</DL>
<HR>

<A NAME="calculateDerived()"><!-- --></A><H3>
calculateDerived</H3>
<PRE>
public void <B>calculateDerived</B>()</PRE>
<DL>
<DD>Tells the object to calculate any statistics that don't have their
 values automatically updated during add. Currently updates the mean
 and standard deviation.
<P>
<DD><DL>
</DL>
</DD>
<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 a string summarising the stats so far.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the summary 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>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - ignored.</DL>
</DD>
</DL>
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