Nothing
print.jagsUI <- function(x,digits=3,...){
#bugs.format=TRUE prints a nearly exact replica of WinBUGS-style output
#Header
if(!x$bugs.format){
cat('JAGS output for model \'',x$modfile,'\', generated by jagsUI.','\n',sep="")
cat('Estimates based on',x$mcmc.info$n.chains,'chains of',x$mcmc.info$n.iter,'iterations,\n')
if(all(x$mcmc.info$sufficient.adapt)){cat('adaptation =',mean(x$mcmc.info$n.adapt),'iterations (sufficient),\n')
} else{cat('adaptation =',mean(x$mcmc.info$n.adapt),'iterations (possibly insufficient),\n')}
cat('burn-in = ',x$mcmc.info$n.burnin,' iterations and thin rate = ',x$mcmc.info$n.thin,',','\n',sep="")
cat('yielding',x$mcmc.info$n.samples,'total samples from the joint posterior.','\n')
if(!x$parallel){cat('MCMC ran for ',x$mcmc.info$elapsed.mins,' minutes at time ',paste(x$run.date),'.\n','\n',sep="")
} else{cat('MCMC ran in parallel for ',x$mcmc.info$elapsed.mins,' minutes at time ',paste(x$run.date),'.\n','\n',sep="")}
} else{
cat('Inference for Bugs model at \'',x$modfile,'\', fit using JAGS,','\n',sep="")
cat(x$mcmc.info$n.chains,'chains, each with',x$mcmc.info$n.iter,'iterations (first ',x$mcmc.info$n.burnin,'discarded), n.thin =',x$mcmc.info$n.thin)
cat('\nn.sims =',x$mcmc.info$n.samples,'iterations saved','\n')
}
#Organize columns
if(!x$bugs.format){
if(x$mcmc.info$n.chains!=1){y = x$summary[,c(1,2,3,5,7,10,11,8,9)]
} else {y = x$summary[,c(1,2,3,5,7,8,9)]}
z <- as.data.frame(round(as.matrix(y),digits))
if(is.vector(y)){
z <- as.data.frame(t(z))
row.names(z) <- rownames(x$summary)
}
z[,6] <- z[,6]==1
} else {
if(x$mcmc.info$n.chains!=1){y = x$summary[,c(1:9)]
} else {y = x$summary[,c(1:7)]}
z <- as.data.frame(round(as.matrix(y),digits))
if(is.vector(y)){
z <- as.data.frame(t(z))
row.names(z) <- rownames(x$summary)
}
}
#print the output
print(z)
#Print Rhat/n.eff information if necessary
if(x$mcmc.info$n.chains>1){
if(!x$bugs.format){
if(max(unlist(x$Rhat),na.rm=TRUE)>1.1){cat('\n**WARNING** Rhat values indicate convergence failure.','\n')
}else{cat('\nSuccessful convergence based on Rhat values (all < 1.1).','\n')}
cat('Rhat is the potential scale reduction factor (at convergence, Rhat=1).','\n')
cat('For each parameter, n.eff is a crude measure of effective sample size.','\n')
} else {
cat('\nFor each parameter, n.eff is a crude measure of effective sample size,','\n')
cat('and Rhat is the potential scale reduction factor (at convergence, Rhat=1).','\n')
}
}
#Print overlap0/f statistic info
if(!x$bugs.format){
cat('\noverlap0 checks if 0 falls in the parameter\'s 95% credible interval.\n')
cat('f is the proportion of the posterior with the same sign as the mean;\n')
cat('i.e., our confidence that the parameter is positive or negative.\n')
}
#Print DIC info
if(x$calc.DIC & !is.null(x$pD)){
if(!x$bugs.format){
cat('\nDIC info: (pD = var(deviance)/2)','\npD =',round(x$pD,1),'and DIC =',round(x$DIC,digits),'\n')
cat('DIC is an estimate of expected predictive error (lower is better).\n')
} else {
cat('\nDIC info (using the rule, pD = var(deviance)/2)','\npD =',round(x$pD,1),'and DIC =',round(x$DIC,digits),'\n')
cat('DIC is an estimate of expected predictive error (lower deviance is better).\n')
}
}
}
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