variance property
Returns the expected variance.
Implementation
@override
double get variance =>
scale * scale * (gamma(1 + 2 / shape) - pow(gamma(1 + 1 / shape), 2));
Returns the expected variance.
@override
double get variance =>
scale * scale * (gamma(1 + 2 / shape) - pow(gamma(1 + 1 / shape), 2));