Compute Log of Inverted Wishart Density
lndIWishart
computes the log of an Inverted Wishart density.
lndIWishart(nu, V, IW)
nu |
d.f. parameter |
V |
"location" parameter |
IW |
ordinate for density evaluation |
Z ~ Inverted Wishart(nu,V).
In this parameterization, E[Z] = 1/(nu-k-1) V, where V is a k x k matrix lndIWishart
computes the complete log-density, including normalizing constants.
Log density value
This routine is a utility routine that does not check the input arguments for proper dimensions and type.
Peter Rossi, Anderson School, UCLA, perossichi@gmail.com.
For further discussion, see Chapter 2, Bayesian Statistics and Marketing by Rossi, Allenby, and McCulloch.
http://www.perossi.org/home/bsm-1
lndIWishart(5, diag(3), diag(3)+0.5)
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