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# 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

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

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