numpy.nancumprod()
numpy.nancumprod
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numpy.nancumprod(a, axis=None, dtype=None, out=None)[source] -
Return the cumulative product of array elements over a given axis treating Not a Numbers (NaNs) as one. The cumulative product does not change when NaNs are encountered and leading NaNs are replaced by ones.
Ones are returned for slices that are all-NaN or empty.
New in version 1.12.0.
Parameters: a