mvgamma: Multivariate gamma function

In thiyangt/fformpp: Feature-based FORecast Model Performance Prediction

Multivariate gamma function

Description

The multivariate gamma function is computed by using it's recursive definition or product form. Use apply() on top of the mvgamma function if p is also a vector.

Usage

mvgamma(p, x, log = TRUE)

Arguments

p	"integer". The dimension of the multivariate gamma function.
x	"vector" A vector or sclor can be used. See also gamma() function.
log	"logical" If TRUE, logarithm of multivariate gamma function will be returned.

Value

Same length as "x" has.

Note

Initial: Mon Sep 20 23:54:20 CEST 2010; Current: Tue Jan 15 18:56:48 CET 2013.

TODO: Allow p be a vector of same length of x

Author(s)

Feng Li, Department of Statistics, Stockholm University, Sweden.

thiyangt/fformpp documentation built on Jan. 5, 2024, 5:44 a.m.