The logistic distribution
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The logistic distribution has a similar shape to the normal distribution
but has heavier tails.
Distribution name

Logistic
distribution

Common notation


Parameters

=
location parameter
=
scale parameter ()

Domain


Probability density
function

where

Cumulative distribution
function


Mean


Variance


Skewness


(Excess) kurtosis


Characteristic function


Other comments

The logistic distribution is sometimes called the sechsquare(d)
distribution because its pdf can also be expressed in terms of the hyperbolic
secan function:
It should not then be confused with the hyperbolic
secant distribution.

Nematrian web functions
Functions relating to the above distribution may be accessed
via the Nematrian
web function library by using a DistributionName of “logistic”. For
details of other supported probability distributions see here.
NAVIGATION LINKS
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