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@stdlib/stats

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Standard library statistical functions.

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{{alias}}( σ ) Returns the standard deviation of a Rayleigh distribution. If provided `NaN` as any argument, the function returns `NaN`. If provided `σ < 0`, the function returns `NaN`. Parameters ---------- σ: number Scale parameter. Returns ------- out: number Standard deviation. Examples -------- > var v = {{alias}}( 9.0 ) ~5.896 > v = {{alias}}( 4.5 ) ~2.948 See Also --------