Fix denominator in docstring for mean_abs_change #870
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Mean absolute change is over the differences of consecutive values, so the denominator should be `n-1`, not `n`. Numpy `diff` confirms this, e.g. ``` >>> x = np.array([1, 2, 4, 7, 0]) >>> np.diff(x) array([ 1, 2, 3, -7]) ```
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Thanks @abroekhof! You are completely correct. |
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Mean absolute change is over the differences of consecutive values, so the denominator should be
n-1, notn. Numpydiffconfirms this, e.g.