From: Chuck Remes <cremes.devlist@...>
Date: 2009-07-22T02:02:32+09:00
Subject: Re: Mean method


On Jul 21, 2009, at 10:30 AM, Älphä Blüë wrote:

> I adjusted the code a bit to handle the size factor with @size in
> initialize (code changed if you refresh pastie).
>
> My main use is really for arrays but I like making things modular and
> useful.  I'm almost finished with the standard deviation class which
> includes mean..
>
> I perform a lot of advanced mathematics and statistical analysis so I
> need some heavier methods here and there..
>
> As I'm still new to ruby this is a great lesson for me as well,
> especially with regards to code polishing and adapting to rubyism code
> writing.

I've written some code to compute skew and kurtosis (the 3rd and 4th  
moments) if you want a copy. I'll send you my whole class if you'd  
like. It's a bit hard to follow because I heavily optimized it to  
cache results and/or pass around intermediate results.

cr