Keyword : Moment

G01NAF	Cumulants and moments of quadratic forms in Normal variables
G01NBF	Moments of ratios of quadratic forms in Normal variables, and related statistics
G01PTF	Landau first moment function $Φ_{1} (x)$
G01QTF	Landau second moment function $Φ_{2} (x)$
G07BFF	Estimates parameter values of the generalized Pareto distribution