`scipy.stats._continuous_distns:logistic_gen`

source: /scipy/stats/_continuous_distns.py :6469

Signature

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

Members

_cdf
_entropy
_isf
_logcdf
_logpdf
_logsf
_pdf
_ppf
_rvs
_sf
_shape_info
_stats
fit

Summary

A logistic (or Sech-squared) continuous random variable.

Extended Summary

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Notes

The probability density function for logistic is:

f (x) = \frac{exp ( - x )}{( 1 + exp ( - x ) ) ^{2}}

logistic is a special case of genlogistic with c=1.

Remark that the survival function (logistic.sf) is equal to the Fermi-Dirac distribution describing fermionic statistics.

%(after_notes)s

%(example)s

Aliases

scipy.stats._continuous_distns.logistic_gen