R Heberto Ghezzo, Dr wrote:
Hello, I am sorry, I have this problem before and Uwe send me the
answer but I misplaced it
Oh dear! But it is not lost, since the answer to the second part of your
problem was: Please read the documentation!
and can not find it.
> writing a model for BRugs
library(BRugs)
Loading required package: coda
Loading required package: lattice
Welcome to BRugs running on OpenBUGS version 3.0.3
setwd("c:/tmp")
Error in setwd("c:/tmp") : cannot change working directory
So c:/tmp does not exist or you don't have permissions there?
mo <- function(){
+ for (k in 1:p){
+ delta[1,k] ~ dnorm(0,0.1)I(,delta[2,k])
Error: unexpected symbol in:
The answer was: Please read the documentation!
?writeModel (which you want to use on this function) tells you:
"As a difference, BUGS syntax allows truncation specification like this:
dnorm(...) I(...) but this is illegal in R. To overcome this
incompatibility, use %_% before I(...): dnorm(...) %_% I(...). The dummy
operator %_% will be removed before the BUGS code is saved. "
" for (k in 1:p){
delta[1,k] ~ dnorm(0,0.1)I"
delta[2,k] ~ dnorm(0,0.1)I(delta[1,k],delta[3,k])
Error: unexpected symbol in " delta[2,k] ~ dnorm(0,0.1)I"
delta[3,k] ~ dnorm(0,0.1)I(delta[2,k],)}
Error: unexpected symbol in " delta[3,k] ~ dnorm(0,0.1)I"
}
Error: unexpected '}' in "}"
so R parser does not like the I(,) construct
which is *not* the problem, see above.
Best wishes,
Uwe
, What is the alternative way of propgramming the
constrain I(lower,upper)
Thanks
Heberto Ghezzo
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______________________________________________
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PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
