[Mondrian] My stupid error on stddev

michael bienstein mbienstein at yahoo.fr
Tue Nov 27 11:14:43 EST 2007

I made an error in my post where I defined the stddev in terms of count, sum and sum of squares.  This is minor but worth correcting.  stdev(m)=sqrt(sum(m*m)/count(m) - sum(m)*sum(m)/count(m)/count(m))


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