This is documentation for an old release of SciPy (version 0.10.0). Read this page Search for this page in the documentation of the latest stable release (version 1.15.1).

scipy.stats.variation¶

scipy.stats.variation(a, axis=0)¶

Computes the coefficient of variation, the ratio of the biased standard deviation to the mean.

Parameters :

a : array_like

Input array.

axis : int or None

Axis along which to calculate the coefficient of variation.

References

[CRCProbStat2000]

(1, 2) Zwillinger, D. and Kokoska, S. (2000). CRC Standard Probability and Statistics Tables and Formulae. Chapman & Hall: New York. 2000.