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trMVN.dat<-function(indat, ord.mps=NULL, nct.sum=NULL, count.rate=NULL) {
if(is.null(ord.mps) & is.null(nct.sum) & is.null(count.rate)) {
stop('Ord.mps, nct.sum, and count.rate are all set to NULL.')
}
if(any(unlist(lapply(ord.mps, sum))>(1+.Machine$double.eps^0.5)) | any(unlist(lapply(ord.mps, sum))<(1-.Machine$double.eps^0.5))) { #tolerance added for use across platforms
stop('Marginal probabilities in each element of ord.mps must sum to 1.')
}
if(any(count.rate<=0)) {
stop("Rates for count variables must be greater than 0.")
}
if(any(nct.sum['Variance',]<=0)) {
stop("Variance for continuous variables must greater than 0.")
}
tr.dat<-lapply(indat, function(x) {
dat.new<-NULL
if(!is.null(nct.sum)) {
nct.tvars<-colnames(nct.sum)
for(ivar in nct.tvars) {
#get normalized variable
ivar.info<-nct.sum[,ivar]
if(is.null(names(ivar.info))) {
names(ivar.info)<-rownames(nctsum)
}
ivar.dat<-x[,ivar]
ivar.new<-ivar.info['a']+ivar.dat*ivar.info['b']+ivar.dat^2*ivar.info['c']+ivar.dat^3*ivar.info['d']
#mean and sd
ivar.new<-ivar.new*sqrt(ivar.info['Variance'])+ivar.info['Mean']
#prepare for output
ivar.new<-matrix(ivar.new)
colnames(ivar.new)<-ivar
dat.new<-cbind(dat.new, ivar.new)
}
}
if(!is.null(ord.mps)) {
ord.tvars<-names(ord.mps)
for(ivar in ord.tvars) {
ivar.mps<-ord.mps[[ivar]]
ivar.cats<-as.numeric(names(ivar.mps))
ivar.dat<-x[,ivar]
ivar.new<-ordY(ivar.mps, ivar.cats, y=ivar.dat)$x
#prepare for output
ivar.new<-matrix(ivar.new)
colnames(ivar.new)<-ivar
dat.new<-cbind(dat.new, ivar.new)
}
}
if(!is.null(count.rate)) {
count.tvars<-names(count.rate)
for(ivar in count.tvars) {
ivar.rate<-count.rate[ivar]
ivar.dat<-x[,ivar]
U<-pnorm(ivar.dat)
ivar.new<-qpois(U, ivar.rate)
#prepare for output
ivar.new<-matrix(ivar.new)
colnames(ivar.new)<-ivar
dat.new<-cbind(dat.new, ivar.new)
}
}
return(dat.new)
})
return(tr.dat)
}
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