SciPy

scipy.stats.rv_discrete.logsf

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

Log of the survival function of the given RV.

Returns the log of the “survival function,” defined as 1 - cdf, evaluated at k.

Parameters :

k : array_like

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 :

logsf : ndarray

Log of the survival function evaluated at k.