SciPy

scipy.stats.rv_discrete.cdf

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

Cumulative distribution function of the given RV.

Parameters:
k : array_like, int

Quantiles.

arg1, arg2, arg3,… : array_like

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

loc : array_like, optional

Location parameter (default=0).

Returns:
cdf : ndarray

Cumulative distribution function evaluated at k.