Nothing
compreg<-function(t,event,x,high.pct,predtime,indicator,
burnin,iteration,
alpha00,
alpha0,
lambda00,
alphaalpha,alphalambda,
a,b,
gamma0,gamma1,
addgroup,
thin, betasl){
if(is.vector(x)){
x<-matrix(x,ncol=1)
}
npts<-length(t)
c<-rep(1,npts)
nm<-c(npts,rep(0,npts-1))
lambda01<-rgamma(npts,alpha00,lambda00)
lambda1<-1:npts
alpha1<-1:npts
for(i in 1:npts){
lambda1[i]<-rgamma(1,alpha0,lambda01[i])
base<-ifelse(lambda1[i]==0,80,log(-log(0.05)/lambda1[i],base=25))
if(base<80){
alpha1[i]<-rtrunc(1, spec="gamma", a = max(base,0), b =80,
shape=alphaalpha,rate=alphalambda)
}else{
alpha1[i]<-80
}
}
lambda02<-rgamma(npts,alpha00,lambda00)
lambda2<-1:npts
alpha2<-1:npts
for(i in 1:npts){
lambda2[i]<-rgamma(1,alpha0,lambda02[i])
base<-ifelse(lambda2[i]==0,80,log(-log(0.05)/lambda2[i],base=25))
if(base<80){
alpha2[i]<-rtrunc(1, spec="gamma", a = max(base,0), b =80,
shape=alphaalpha,rate=alphalambda)
}else{
alpha2[i]<-80
}
}
p<-rbeta(npts,1,1)
beta1<-rep(0,npts*ncol(x))
for(i in 1:npts*ncol(x)){
beta1[i]<-rtrunc(1, spec="cauchy", a = -10, b =10,
location=0.0,scale=betasl)
}
beta1<-matrix(beta1,ncol=ncol(x))
beta2<-rep(0,npts*ncol(x))
for(i in 1:npts*ncol(x)){
beta2[i]<-rtrunc(1, spec="cauchy", a = -10, b =10,
location=0.0,scale=betasl)
}
beta2<-matrix(beta2,ncol=ncol(x))
t<-t/high.pct*10
predtime<-predtime/high.pct*10
xmean<-apply(x,2,mean)
xsd<-ifelse(indicator,rep(0.5,length(xmean)),apply(x,2,sd))
xpred1<-rep(1,length(xmean))
xpred2<-rep(0,length(xmean))
xpred1<-(xpred1-xmean)/2/xsd
xpred2<-(xpred2-xmean)/2/xsd
covnames<-names(xsd)
x<-(x-matrix(rep(xmean,times=nrow(x)),nrow=nrow(x), byrow=TRUE))/matrix(rep(2*xsd,times=nrow(x)),nrow=nrow(x), byrow=TRUE)
nu<-rgamma(burnin+iteration+1,a,b)
ngrp<-rep(1,burnin+iteration+1)
result<-.Call('DPWeibull_compreg', PACKAGE = 'DPWeibull', burnin,iteration,
t, x,event,
c,nm,
alpha1, lambda1, lambda01,
alpha2, lambda2, lambda02,
p, beta1, beta2,
alpha00, alpha0, lambda00,alphaalpha, alphalambda,
gamma0,gamma1, betasl,
nu,ngrp,
a, b,
high.pct,predtime,
addgroup,thin,xpred1, xpred2)
xscale<-matrix(rep(2*xsd,length(predtime)),nrow=ncol(x))
result$loghr.est<-matrix(apply(result$loghr,2,median,na.rm=TRUE),byrow=TRUE,nrow=ncol(x))/xscale
result$loghrl<-matrix(apply(result$loghr,2,quantile,0.025,na.rm=TRUE),byrow=TRUE,nrow=ncol(x))/xscale
result$loghru<-matrix(apply(result$loghr,2,quantile,0.975,na.rm=TRUE),byrow=TRUE,nrow=ncol(x))/xscale
result$t<-t/10*high.pct
result$xmean<-xmean
result$xsd<-xsd
result$xscale<-xscale
result$event<-event
result$indicator<-indicator
result$covnames<-covnames
result
}
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