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From Phil Steitz <>
Subject [math][proposal] stat package structure
Date Sun, 21 Mar 2004 21:14:12 GMT
I would like to propose the following repackaging of classes in the stat 
and distributions packages.

1. Move the univariate statistical aggregates (DescriptiveStatistics, 
SummaryStatistics et al) into the univariate package.

2. Move distributions back into stat. I did not comment on the initial 
move out, but it seems wrong to me now.  The abstract classes and all 
implementations are probability distributions. To me these fit naturally 
in stat.  I can live with it as is; I just wanted to see if others are 
feeling the same and if so, get it fixed while we still have the chance.

3. Create a "multivariate" subpackage and place the lonely 
BivariateRegression there.  It is odd to have a package with only one 
class, but I think the probability is 1 that we will quickly have more 
multivariate statistical classes (e.g. multiple regression) and I would 
prefer not to have to play the deprecate-move game if we can see it coming.

4. Similarly, I would like to create an "inference" or "test" subpackage 
and put TestStatistic there.

Please indicate your +/-/0 on these items separately. I am viewing each of 
the items subject to lazy consensus. I will wait one week to make any changes.

Input from all parties welcome, committers binding.


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