scipy.stats.variation

scipy.stats.variation(a, axis=0)[source]

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

[R203]Zwillinger, D. and Kokoska, S. (2000). CRC Standard Probability and Statistics Tables and Formulae. Chapman & Hall: New York. 2000.

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