`scipy.stats._discrete_distns:planck_gen`

source: build-install/usr/lib/python3.14/site-packages/scipy/stats/_discrete_distns.py:1042

Signature

class planck_gen(a = 0, b = inf, name = None, badvalue = None, moment_tol = 1e-08, values = None, inc = 1, longname = None, shapes = None, seed = None)

Members

_argcheck
_cdf
_entropy
_logsf
_pmf
_ppf
_rvs
_sf
_shape_info
_stats

Summary

A Planck discrete exponential random variable.

Extended Summary

%(before_notes)s

Notes

The probability mass function for planck is:

f (k) = (1 - exp (- λ)) exp (- λk)

for $k \geq 0$ and $λ > 0$ .

planck takes $λ$ as shape parameter. The Planck distribution can be written as a geometric distribution (geom) with $p = 1 - exp (- λ)$ shifted by loc = -1.

%(after_notes)s

%(example)s

Aliases

scipy.stats._discrete_distns.planck_gen