Alain Ketterlin <al...@dpt-info.u-strasbg.fr> writes: > aux = lambda s1,s2,n: (s2 - s1*s1/n)/(n-1) > sv = lambda d: aux(sum(d),sum(x*x for x in d),len(d))
Err, sorry, the final square root is missing. -- Alain. -- http://mail.python.org/mailman/listinfo/python-list
