[Python-Dev] Accumulation module

[Thomas Heller]

"Raymond Hettinger" <raymond.hettinger at verizon.net> writes:

> * Is there a way to compute the standard deviation without multiple
> passes over the data (one to compute the mean and a second to sum the
> squares of the differences from the mean?

Yes ;-).  I would look it up in my HP-11C pocket calculator manual, if I
had it with me.  But I'm also sure someone has it in his head.

Thomas