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Updated changelog to reflect fixes for MATH-384, MATH-385. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_X@1056747 13f79535-47bb-0310-9956-ffa450edef68
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Phil Steitz 2011-01-08 17:50:54 +00:00
parent 1bd2cf335c
commit 67aeec1c59
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@ -62,6 +62,18 @@ The <action> type attribute can be add,update,fix,remove.
Modified erf (and erfc) to return extreme values for x with abs(x) > 40.
For these arguments, the true value is indistinguishable from an extrema as a double.
</action>
<action dev="mikkel" type="update" issue="MATH-385">
Added characteristic support to distributions, including methods to return numerical
estimates of the mean and variance and upper and lower bounds of support. In version 2.2,
methods returning distribution characteristics have been added only to the implementation
classes. In version 3, supporting methods have been added to the abstract base classes
and distribution interfaces.
</action>
<action dev="mikkel" type="update" issue="MATH-384">
Added a constructor and addValues(double[]) methods allowing DescriptiveStatistics to
be initialized with values from a double[] array. Similarly enhanced
ResizeableDoubleArray.
</action>
<action dev="psteitz" type="update" issue="MATH-448" due-to="Patrick Meyer">
Added a getUniqueCount() method to Frequency to return the number of unique
values included in the frequency table.