DescriptiveStatistics based on double[]
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Key: MATH-384
URL: https://issues.apache.org/jira/browse/MATH-384
Project: Commons Math
Issue Type: New Feature
Reporter: Mikkel Meyer Andersen
Priority: Minor
Right now the DescriptiveStatistics is for ResizableDoubleArray, but if the
user has the double[] data she wishes to get DescriptiveStatistics for there is
no way of doing this (besides the inefficient way of creating a
ResizableDoubleArray from the double[]).
It would be possible to use StatUtils, but it does not contain near as much
functionality as DescriptiveStatistics.
Idea: Create a DescriptiveStatistics for double[] also. I'm not sure which way
of implementing it would be the best, but one way would be to make
DescriptiveStatistics abstract with all but the apply-method implemented as
now. The apply-method should be made as abstract which then has to implemented
in the extensions together with a field containing the values. (addValue,
windowSize etc. has to go in the ResizableDoubleArray-extension.) The
double[]-extension should then have a constructor taking double[] as a
parameter.
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