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.. _continuous-johnsonsb:
Johnson SB Distribution
=======================
Defined for :math:`x\in\left(0,1\right)` with two shape parameters :math:`a` and :math:`b>0.`
.. math::
:nowrap:
\begin{eqnarray*} f\left(x;a,b\right) & = & \frac{b}{x\left(1-x\right)}\phi\left(a+b\log\frac{x}{1-x}\right)\\ F\left(x;a,b\right) & = & \Phi\left(a+b\log\frac{x}{1-x}\right)\\ G\left(q;a,b\right) & = & \frac{1}{1+\exp\left[-\frac{1}{b}\left(\Phi^{-1}\left(q\right)-a\right)\right]}\end{eqnarray*}
Implementation: `scipy.stats.johnsonsb`
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