: Johnson Unbounded Distribution (JohnsonSU)

Johnson Unbounded Distribution (JohnsonSU)

The density function of the Johnson unbounded distribution (JohnsonSU) is

$\text{[math]}$

where

$\text{[math]}$

and $\text{[math]}$ .

Parameters:

$\text{[math]}$ (delta)	is a shape parameter, $\text{[math]}$ .
$\text{[math]}$ (gamma)	is a shape parameter.
$\text{[math]}$ (xi)	is the location parameter.
$\text{[math]}$ (lambda)	is the scale parameter, $\text{[math]}$ .