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Cumulative standard deviation: Difference between revisions
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Line 269:
case STDDEV:
m = so->sum/so->num;
return sqrt(so->sum2/so->num - m*m
case MEAN:
return so->sum/so->num;
case VAR:
m = so->sum/so->num;
return so->sum2/so->num - m*m
case COUNT:
return 1.0*so->num;
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