The logistic distribution
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The logistic distribution has a similar shape to the normal distribution
but has heavier tails.
![[SmartChart]](I/LogisticDistribution_files/image001.gif)
![[SmartChart]](I/LogisticDistribution_files/image002.gif)
![[SmartChart]](I/LogisticDistribution_files/image003.gif)
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Distribution name
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Logistic
distribution
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Common notation
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Parameters
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 =
location parameter
 =
scale parameter ( )
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Domain
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Probability density
function
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where
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Cumulative distribution
function
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Mean
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Variance
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Skewness
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(Excess) kurtosis
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Characteristic function
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Other comments
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The logistic distribution is sometimes called the sech-square(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.
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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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