26 Sep
2007
26 Sep
'07
7:48 a.m.
ok wrote:
I believe the author may have misunderstood "numerically stable". The obvious (sum xs)/(fromIntegral $ length $ xs) is fine for the mean,
That's probably my fault, out of ignorance. Do you know a good online resource about numeric stability? (I don't have the Knuth at home. Didn't he say something about the mean formula? Or was it the standard derivation?). Regards, apfelmus