Nothing
ljrk <- function(k,y,n,tm,X=NULL,ofst=0)
{
if (sum(duplicated(tm))>0){
cat("Error: duplicated observation times\n")
}
else{
if ((is.null(X)==FALSE)&&(is.matrix(X)==FALSE))
X=as.matrix(X)
if (is.unsorted(tm)==TRUE){
o=order(tm)
y=y[o]
n=n[o]
tm=tm[o]
if (is.null(X)==FALSE)
X=as.matrix(X[o,])
if ((length(ofst)>1)||(ofst[1]!=0))
ofst=ofst[o]
}
N=length(y)
m=ncol(X)
or.ofst=ofst
if (is.null(m))
m=0
if (k>N-2)
k=N-2
if (length(ofst)==1)
ofst=as.double(rep(ofst,N))
else
ofst=as.double(ofst)
k=as.integer(k)
out <- .C("ljrk",k,as.double(y),as.double(n),as.double(tm),as.double(X),ofst,beta=double(m+1),gamma=double(k+1),tau=double(k),N,m,ans=double(1),PACKAGE="ljr")
cat('Model:\n')
cat('y~Binom(n,p) where p=invlogit(eta)\n')
if (m>0){
if (is.null(dimnames(X)[[2]])==FALSE)
m.variables=dimnames(X)[[2]]
else
m.variables=paste("X",1:ncol(X),sep="")
}
else
m.variables=NULL
m.variables=c('Intercept',m.variables)
t.variables='t'
if (length(out$tau)>0)
for (i in 1:length(out$tau))
t.variables=c(t.variables,paste('max(t-tau',i,',0)',sep=""))
if ((or.ofst[1]==0)&(length(or.ofst)==1))
cat('eta=b0')
else
cat('eta=ofst+b0')
if (length(m.variables)>1)
for (i in 2:length(m.variables))
cat(paste(paste('+b',i-1,sep=""),'*',m.variables[i],sep=""))
for (i in 0:(length(t.variables)-1))
cat(paste(paste('+g',i,sep=""),'*',t.variables[i+1],sep=""))
cat("\n\n")
m.coef=c(out$beta,out$gamma)
f1=data.frame(Variables=c(m.variables,t.variables),Coef=m.coef,row.names=c(paste('b',0:(length(m.variables)-1),sep=""),paste('g',0:(length(t.variables)-1),sep="")))
j.labels=NULL
if (length(out$tau)>0)
for (i in 1:length(out$tau))
j.labels=c(j.labels,paste('tau',i,'=',sep=""))
f2=data.frame(j.labels,Joinpoints=out$tau)
if (length(out$tau)>0)
names(f2)=c(' ',' ')
else
names(f2)=NULL
print(f1)
cat('\nJoinpoints:\n')
print(f2)
ret1=m.coef
names(ret1)=c(m.variables,t.variables)
ret2=out$tau
names(ret2)=j.labels
return(list(Coef=ret1,Joinpoints=ret2,wlik=out$ans))
}
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.