kurtosisExcess property

@override double kurtosisExcess

Returns the excess kurtosis.

See https://en.wikipedia.org/wiki/Kurtosis#Excess_kurtosis.

Implementation

@override
double get kurtosisExcess => dof > 4
    ? 6 / (dof - 4)
    : dof > 2
        ? double.infinity
        : double.nan;