【dmj_611】評論

Skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable about its mean.Kurtosis is a statistical measure that defines how heavily the tails of a distribution differ from the tails of a normal distribution. In other words, kurtosis identifies whether the tails of a given distribution contain extreme values.Variance is the expectation of the squared deviation of a random variable from its mean.Hypertailedness:  (without a concrete idea...)