inverseCumulativeProbability method
The Inverse Cumulative Distribution Function (PPT), or quantile function.
Returns the value of x
for which the cumulative probability density is
p
. Throws InvalidProbability, if p
is out of range.
Implementation
@override
double inverseCumulativeProbability(num p) {
InvalidProbability.check(p);
return scale / gammapInv(1 - p, shape);
}