`scipy.stats._continuous_distns:invweibull_gen`

Signature

class invweibull_gen(momtype = 1, a = None, b = None, xtol = 1e-14, badvalue = None, name = None, longname = None, shapes = None, seed = None)

An inverted Weibull continuous random variable.

This distribution is also known as the Fréchet distribution or the type II extreme value distribution.

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The probability density function for invweibull is:

f (x, c) = c x^{- c - 1} exp (- x^{- c})

for $x > 0$ , $c > 0$ .

invweibull takes c as a shape parameter for $c$ .

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