Nothing
#
# Post.processing of MCMC simulation
# Example of fitted time series of most active voxel
#
post.tseries <-
function(out, slicedata, ymaskdata, vreg=2)
{
X <- slicedata$X
nvar <- slicedata$nvar
nobs <- slicedata$nobs
yn <- ymaskdata$yn
nreg <- ymaskdata$nreg
stopifnot(nobs == nrow(yn))
#-----------------------------
# Postprocessing
pmeans <- pmeans.hcoef(out$betadraw)
px <- regpostsim(pmeans, vreg=vreg, plot=F)
pm2 <- pmeans[,vreg]
spma <- px$spma
spmn <- px$spmn
#-----------------------------
if(length(spma)) {
pm2rg <- range(pm2)
cat("range pm2:",pm2rg,"\n")
pxa <- which(pm2 == pm2rg[2]) # most active
# pxn <- which(pm2 == pm2rg[1]) # most non-active
betabar.a <- pmeans[pxa,]
# betabar.n <- pmeans[pxn,]
yfa <- X%*%betabar.a
# yfn <- X%*%betabar.n
#--------------
# x11(width=7, height=3.5)
# par(mfrow=c(2,1), mar=c(4,2,2,1)+0.1)
# par(mfrow=c(2,1), mar=c(4,2,2,1)+0.1)
#--------------
ylim <- range(yn[,pxa])
plot(yn[,pxa], ty="l", ylab="", main="Example of fitted time-series for active voxel", lty="dotted", ylim=ylim)
points(yn[,pxa])
lines(yfa)
#----------
# x11(width=7, height=3)
# par(mfrow=c(2,1), mar=c(4,2,2,1)+0.1)
# par(mar=c(4,2,2,1)+0.1)
# plot(yn[,pxn], ty="l", ylab="", main="non-activated voxel", lty="dotted", ylim=ylim)
# points(yn[,pxn])
# lines(yfn)
} else {
cat("\nNo active voxels detected !\n");
}
}
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