Created
January 18, 2015 16:20
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Averages are not good enough (4)
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| let standardDeviation input = | |
| let avg = input |> Seq.average | |
| let x = input |> Seq.map(fun x -> System.Math.Pow(float x - avg, float 2)) |> Seq.sum | |
| let y = input |> Seq.length |> float | |
| let variance = x / y | |
| System.Math.Sqrt variance | |
| // Average = 45.625; Standard Deviation = 20.87425148 |
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