leptokurtic การใช้

Then how come the probability of extreme values is high in a leptokurtic distribution?
GAMLSS is especially suited for modelling a leptokurtic or platykurtic and / or positively or negatively skewed response variable.
As p and q get smaller, the kurtosis increases ( i . e . becomes more leptokurtic ).
This yields a one-parameter leptokurtic family with zero mean, unit variance, zero skewness, and arbitrary non-negative excess kurtosis.
If the distribution is more peaked than the normal distribution it is said to be leptokurtic; if less peaked it is said to be platykurtic.