[R] Error with r2winbugs

[Ben Bolker]

cddesjar wrote:
> 
> Hi,
> I am trying to do run the following model saved in "C:/bugs/sus.bug"
> 
> model {
>    for (i in 1:n){
>      y[i] ~ dpois(lamdba[i])
>      log(lambda[i]) <- mu+bmale[male[i]]+bschn[schn[i]]+epsilon[i] #
>      epsilon[i] ~ dnorm(0,tau.epsilon)
>    }
>    mu ~ dnorm(0,.0001)
>    bmale ~ dnorm(0,.0001)
>    tau.epsilon <- pow(sigma.epsilon, -2)
>    sigma.epsilon ~ dunif(0,100)
>    for (j in 1:n.schn){
>      bschn[j] ~ dnorm(0,tau.schn)
>    }
>    tau.schn <- pow(sigma.schn, -2)
>    sigma.schn ~ dunif(0,100)
> }
> 
> I am running the following syntax:
> [snip]
> sus.sim <- 
> bugs(data,inits,parameters,"C:/bugs/susc.bug",n.chains=3,n.iter=10,debug=TRUE)
> 
> And get the following error:
> 
> display(log)
> check(C:\DOCUME~1\CHRIST~1\LOCALS~1\Temp\Rtmpyg7eDj/susc.bug.txt)
> empty slot not allowed in variable name
> 
> [snip]
> 

This is an error with your BUGS model, not your R code.  (I assume that your
model is really stored in "susc.bug", not "sus.bug" as you say above.) 
Do you really mean "lamdba[i]" and not "lambda[i]" in line 3?  
Otherwise, I don't know (and you should probably ask the question on
a BUGS list rather than an R list ...)

   Ben Bolker

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