Calculates the skewness of a numeric vector (via skew()
).
A positive value indicates right skew (long right tail), while a negative value
indicates left skew (long left tail). A zero value represents symmetry.
Calculates the kurtosis of a numeric vector (via kurt()
).
A value near 0 suggests normal kurtosis (mesokurtic),
positive values indicate heavier tails (leptokurtic), and negative
values indicate lighter tails (platykurtic).