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added a line about multivariate summary statistics. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@620293 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe 2008-02-10 16:44:50 +00:00
parent 7953b0007a
commit f5a644e863
1 changed files with 6 additions and 1 deletions
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7
src/site/xdoc/userguide/stat.xml
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@ -97,11 +97,16 @@
"window" consisting of the most recently added values.
</p>
<p>
<code>SummaryStatisics</code> does not store the input data values
<code>SummaryStatistics</code> does not store the input data values
in memory, so the statistics included in this aggregate are limited to those
that can be computed in one pass through the data without access to
the full array of values.
</p>
<p>
<code>MultivariateSummaryStatistics</code> is similar to <code>SummaryStatistics</code>
but handles n-tuple values instead of scalar values. It can also compute the
full covariance matrix for the input data.
</p>
<p>
<table>
<tr><th>Aggregate</th><th>Statistics Included</th><th>Values stored?</th>