26 lines
721 B
Plaintext
26 lines
721 B
Plaintext
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using System.Collections.Generic;
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using System.Linq;
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namespace DTS.Utilities
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{
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public class StandardDev
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{
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public static double StandardDeviation(IEnumerable<double> values)
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{
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double standardDeviation = 0;
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if (!values.Any()) return standardDeviation;
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// Compute the average.
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double avg = values.Average();
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// Perform the Sum of (value-avg)_2_2.
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double sum = values.Sum(d => System.Math.Pow(d - avg, 2));
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// Put it all together.
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standardDeviation = System.Math.Sqrt((sum) / (values.Count() - 1));
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return standardDeviation;
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}
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}
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}
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