bundles / scipy 1.18.0 / scipy / stats / _continuous_distns / johnsonsb_gen

class

`scipy.stats._continuous_distns:johnsonsb_gen`

source: /scipy/stats/_continuous_distns.py:5832

Signature

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

Members

Summary

A Johnson SB continuous random variable.

Extended Summary

%(before_notes)s

Notes

The probability density function for johnsonsb is:

f (x, a, b) = \frac{b}{x ( 1 - x )} ϕ (a + b lo g \frac{x}{1 - x})

where $x$ , $a$ , and $b$ are real scalars; $b > 0$ and $x \in [0, 1]$ . $ϕ$ is the pdf of the normal distribution.

johnsonsb takes $a$ and $b$ as shape parameters.

%(after_notes)s

%(example)s

See also

johnsonsu

Aliases

scipy.stats._continuous_distns.johnsonsb_gen