SciPy

scipy.stats.rv_discrete.pmf

rv_discrete.pmf(self, k, *args, **kwds)[source]

Probability mass function at k of the given RV.

Parameters
karray_like

Quantiles.

arg1, arg2, arg3,…array_like

The shape parameter(s) for the distribution (see docstring of the instance object for more information)

locarray_like, optional

Location parameter (default=0).

Returns
pmfarray_like

Probability mass function evaluated at k

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