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by throwaway_374
3347 days ago
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Tangential but it does irk me when these online streaming summary statistics algorithms come up in interviews. Most recently I had Welford's for online estimation of variance/std optimised for numerical stability. Great, fascinating stuff, there's FP representation issues but really is this necessary to quiz... mostly just the interviewer trying to show off how clever they are. https://www.johndcook.com/blog/standard_deviation/ |
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