On 29 Mar 2014, at 10:38, Sven Van Caekenberghe <sven@stfx.eu> wrote:

> This is a nice write down:
>
> �http://www.chris-granger.com/2014/03/27/toward-a-better-programming/
>
> with a nice demo of a prototype:
>
> �https://www.youtube.com/watch?v=L6iUm_Cqx2s
>
> Luckily, the horrible C++ code computing standard deviation in the article can be written quite elegantly and directly in Pharo:
>
> | input |
> input := #(2 4 4 4 5 5 7 9).
> (((input - input average) raisedTo: 2) sum / (input size - 1)) sort.
>
> Sven

Damn spelling correction ;-)

| input |
input := #(2 4 4 4 5 5 7 9).

(((input - input average) raisedTo: 2) sum / (input size - 1)) sqrt.