lndMvn {bayesm}R Documentation

Compute Log of Multivariate Normal Density

Description

lndMvn computes the log of a Multivariate Normal Density.

Usage

lndMvn(x, mu, rooti)

Arguments

x

density ordinate

mu

mu vector

rooti

inv of upper triangular Cholesky root of Σ

Details

z ~ N(mu,Σ)

Value

Log density value

Warning

This routine is a utility routine that does not check the input arguments for proper dimensions and type.

Author(s)

Peter Rossi, Anderson School, UCLA, perossichi@gmail.com.

References

For further discussion, see Chapter 2, Bayesian Statistics and Marketing by Rossi, Allenby, and McCulloch.
http://www.perossi.org/home/bsm-1

See Also

lndMvst

Examples

Sigma = matrix(c(1, 0.5, 0.5, 1), ncol=2)
lndMvn(x=c(rep(0,2)), mu=c(rep(0,2)), rooti=backsolve(chol(Sigma),diag(2)))

[Package bayesm version 3.1-4 Index]