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qbeta

The beta inverse distribution function

Calling Sequence

F = qbeta(p,a,b)

Parameters

p

probability

a,b

positive reals, parameters of the beta distribution (a,b can be scalars or matrix with common size with p)

F

matrix

Description

The beta inverse distribution functio. for each element of p, F is an inverse of the beta cumulative distribution function with parameter a and b (the beta density is :

x.^(a-1) .* (1-x).^(b-1) ./ beta(a,b)1_{0<x<1})
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