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This commit is contained in:
Andreas Rumpf 2009-12-14 01:38:05 +01:00
commit 3b7ef2288f
30 changed files with 611 additions and 631 deletions
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lib/pure/math.nim
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@ -101,7 +101,7 @@ proc mean*(x: openarray[float]): float {.noSideEffect.} =
result = sum(x) / toFloat(len(x))
proc variance*(x: openarray[float]): float {.noSideEffect.} =
## computes the mean of the elements in `x`.
## computes the variance of the elements in `x`.
## If `x` is empty, NaN is returned.
result = 0.0
var m = mean(x)