Statistics library

[Don]

dsimcha wrote:
> == Quote from BCS (ao at pathlink.com)'s article
>> Even better would be getting it in both Phobos and Tango. Shouldn't be hard
>> as I can't think it should depend on much.
> 
> First, Tango needs to be ported to D2 (I realize that this is happening) or my
> code needs to be ported to D1.  Anyhow, here are the dependencies:
> 
> Non-trivial, i.e. in several places:
> std.math, std.traits, std.functional, some custom sorting functions I wrote, which
> could just be included


> Trivial, i.e. in only one or two small places, pretty sure Tango has a drop-in
> replacement
> std.bigint (for factorial, although all functions that actually use a factorial
> are calculated in log space, and therefore don't depend on this), std.algorithm
> (for swap, isSorted), std.random

This is another instance where we need a common namespace. Practically 
nothing in tango.math.* has dependencies on other parts of Tango, other 
than on the stuff which is now in Core. All the modules you mention 
would ideally be in the common namespace.