[squeak-dev] Re: statistics: standard deviation

Sungjin Chun chunsj at gmail.com
Fri Nov 16 00:34:59 UTC 2012

You can consult this book "Object-Oriented Implementation of Numerical
Methods" for the code, especially Dhb... classes.

On Fri, Nov 16, 2012 at 9:30 AM, Joseph J Alotta <joseph.alotta at gmail.com>wrote:

> I looked at the repositories that you mention and there is nothing there
> that I can work with.  It is this very vast
> collection of code that has no documentation and no description.
> There seems to be methods for standard deviation but it involves
> subtracting moments from a larger object that calculated it somehow and is
> not to be found.  It seems that one needs a vast understanding of the inner
> workings of smalltalk to use these classes.  I was under the impression
> that knowledge of the hacky things is supposed to be hidden from a casual
> user or at least this is the design principle that is not followed.
> It is funny to me that there is not a simple answer to a simple question
> like this and I am left to coding standard deviation for myself.
> > On Nov 15, 2012, at 5:12, Joseph J Alotta <joseph.alotta at gmail.com>
> wrote:
> >
> >> Does anyone know where I can find methods for statistics, like standard
> deviation?
> >>
> >> Regression would be nice also.
> >>
> >> Sincerely,
> >>
> >> Joe.
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