`scipy.stats._continuous_distns:halfnorm_gen`

source: /scipy/stats/_continuous_distns.py :4708

Signature

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

Members

_cdf
_entropy
_isf
_logpdf
_pdf
_ppf
_rvs
_sf
_shape_info
_stats
fit

Summary

A half-normal continuous random variable.

Extended Summary

%(before_notes)s

Notes

The probability density function for halfnorm is:

f (x) = 2/ π exp (- x^{2} /2)

for $x >= 0$ .

halfnorm is a special case of chi with df=1.

%(after_notes)s

%(example)s

Aliases

scipy.stats._continuous_distns.halfnorm_gen