Nothing
##
## PURPOSE: MCMC for a GLMM with normal mixture in the random effects distribution
## * basic posterior summary for mixture components (after re-labeling to achieve
## at least some identifiability) in a model with fixed number of components
##
## AUTHOR: Arnost Komarek (LaTeX: Arno\v{s}t Kom\'arek)
## arnost.komarek[AT]mff.cuni.cz
##
## CREATED: 17/06/2009
##
## FUNCTION: NMixSummComp.GLMM_MCMC
##
##
## ======================================================================
## *************************************************************
## NMixSummComp.GLMM_MCMC
## *************************************************************
NMixSummComp.GLMM_MCMC <- function(x)
{
#if (class(x) != "GLMM_MCMC") stop("x must be of class GLMM_MCMC")
if (x$prior.b$priorK != "fixed") stop("number of mixture components was not fixed")
if (x$dimb == 1){
for (k in 1:x$prior.b$Kmax){
muk <- x$poster.mean.mu_b[k,1] * x$scale.b$scale + x$scale.b$shift
Vark <- x$scale.b$scale^2 * as.numeric(x$poster.mean.Sigma_b[[k]])
SDk <- sqrt(Vark)
cat("\nComponent ", k, "\n", sep="")
cat(" Weight: ", x$poster.mean.w_b[k], "\n")
cat(" Mean: ", muk, "\n")
cat(" Variance: ", Vark, "\n")
cat(" Std. deviation: ", SDk, "\n")
cat("\n---------------------------------------------\n")
}
}else{
for (k in 1:x$prior.b$Kmax){
muk <- x$poster.mean.mu_b[k,] * x$scale.b$scale + x$scale.b$shift
Vark <- diag(x$scale.b$scale) %*% x$poster.mean.Sigma_b[[k]] %*% diag(x$scale.b$scale)
SDk <- diag(sqrt(diag(Vark)))
iSDk <- diag(1/diag(SDk))
Cork <- iSDk %*% Vark %*% iSDk
rownames(Vark) <- colnames(Vark) <- rownames(Cork) <- colnames(Cork) <- names(muk)
cat("\nComponent ", k, "\n", sep="")
cat(" Weight: ", x$poster.mean.w_b[k], "\n")
cat(" Mean: ", muk, "\n")
cat("\n")
cat(" Covariance matrix:\n")
print(Vark)
cat(" Standard deviations: ", diag(SDk))
cat("\n\n")
cat(" Correlation matrix:\n")
print(Cork)
cat("\n---------------------------------------------\n")
}
}
return(invisible(x))
}
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