Johnson SU Distribution¶
Defined for all x with two shape parameters a and b>0 .
f(x;a,b)=b√x2+1ϕ(a+blog(x+√x2+1))F(x;a,b)=Φ(a+blog(x+√x2+1))G(q;a,b)=sinh[Φ−1(q)−ab]
Implementation: scipy.stats.johnsonsu
Defined for all x with two shape parameters a and b>0 .
Implementation: scipy.stats.johnsonsu