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scipy.stats.rv_discrete.

# logpmf

rv_discrete.logpmf(k, *args, **kwds)

  Log of the probability mass function at k of the given RV.

  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 is 0.

  Returns:
    logpmf array_like

      Log of the probability mass function evaluated at k.