StdDev

Description

Calculate the sample standard deviation.

s = \sqrt{\frac{1}{n-1} \sum_{i=1}^n (x_i - \overline{x})^2}

Syntax

double StdDev(dataset vd)

Parameters

vd

Input dataset.

Return

Return the Sample Standard Deviation.

Example

double ee=StdDev(col(A));
ee=;

See Also

StdDevP

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