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i wrote a function to compute standard deviation because i am in the ridiculous and unenviable position of using a networked version of perl with a non functioning ppm (else i would have used Math::StdDev) now it turns out my function doesn't give the same results as Excel or SPSS (its not because one is the sample stddev and the other the population stddev i already checked that) next i copied a stddev function straight out of a linux journal article on benchmarking http://www.linuxjournal.com/article/6540
this gives the same answers as my original code (hence i don't bother posting my original code as well) does anyone know why i might be getting different results to these commercially available applications? 20050722 Janitored by Corion: Added formatting, linkified link In reply to standard deviation accuracy question by Anonymous Monk
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