Mirrors the C# Statistics.LinearMoments. Requires at least 4 observations (returns NaN
otherwise, matching the C# behavior).
Value
a named numeric vector with entries l1 (L-mean), l2 (L-scale), t3
(L-skewness), t4 (L-kurtosis).
Examples
l_moments(c(2.1, 3.4, 1.8, 4.9, 3.3, 2.7, 5.1, 3.9))
#> l1 l2 t3 t4
#> 3.400000000 0.728571429 0.049019608 0.009803922