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scipy.stats.rv_continuous.

# isf

rv_continuous.isf(q, *args, **kwds)

  Inverse survival function (inverse of `sf`) at q of the given RV.

  Parameters:
    q array_like

      upper tail probability

    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)

    scale array_like, optional

      scale parameter (default=1)

  Returns:
    x ndarray or scalar

      Quantile corresponding to the upper tail probability q.