`scipy.stats._continuous_distns:alpha_gen`

source: /scipy/stats/_continuous_distns.py :509

Signature

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

Members

_cdf
_logpdf
_pdf
_ppf
_shape_info
_stats

Summary

An alpha continuous random variable.

Extended Summary

%(before_notes)s

Notes

The probability density function for alpha (^[1], ^[2]) is:

f (x, a) = \frac{1}{x ^{2} Φ ( a ) 2 π} * exp (- \frac{1}{2} (a - 1/ x)^{2})

where $Φ$ is the normal CDF, $x > 0$ , and $a > 0$ .

alpha takes a as a shape parameter.

%(after_notes)s

Aliases

scipy.stats._continuous_distns.alpha_gen