[R] expected variable name error pos 98349 WInBUGS in R

[Uwe Ligges]

Hard to help without seeing the actual files.
Anyway, this is a BUGS question rather than  an R question, because the 
error comes from the BUGS interpreter. Hence wrong mailing list.

Best wishes,
Uwe Ligges




Anamika Chaudhuri wrote:
>> I am using a random intercept model with SITEID as random and NAUSEA as
>> outcome.
>>
>> I tried using a dataset without missing values and changed my model
>> statement accordingly but still get the same error. Follwoing in an excerpt.
>>> anal.data <- read.table("nausea.txt", header=T, sep="\t")
>>> list(names(anal.data))
>> [[1]]
>> [1] "SITEID" "NAUSEA"
>>> #anal.data <- read.csv("simuldat.csv", header=T)
>>> attach(anal.data)
>>         The following object(s) are masked from anal.data ( position 3 ) :
>>          NAUSEA SITEID
>>
>>         The following object(s) are masked from anal.data ( position 4 ) :
>>          NAUSEA SITEID
>>> data.bugs <-
>> list("NAUSEA"=NAUSEA,"SITEID"=SITEID,"n.samples"=n.samples,"n.sites"=n.sites,"n.params"=n.params)
>>> bugsData(data.bugs, fileName = "nauseadata.txt")
>>> inits.bugs <- list("alpha"=rep(0,n.sites), "tau"=1)
>>> bugsInits(list(inits.bugs), fileName = "nauseainit.txt")
>>> modelCheck("nausea_random.txt")       # check model file
>> model is syntactically correct
>>> modelData("nauseadata.txt")                     # read data file
>> expected variable name error pos 98349
>> *MODEL*
>> model
>> {
>> for (i in 1:n.samples)
>> {NAUSEA[i] ~ dbin(p[i],1)
>> logit(p[i]) <- alpha[SITEID[i]]}
>> #for(k in 1:n.params)
>> #{b[k]~ dnorm(0.0,tau)}
>> for (j in 1:n.sites)
>> {alpha[j]~dnorm(0.0,1.0E-10)}
>>
>> tau ~ dgamma(0.001,0.001)
>> }
>> *Dataset:*
>> SITEID NAUSEA
>> 1 0
>> 1 1
>> 1 1
>> 1 0
>> 1 1
>> 1 1
>> 1 0
>> 1 1
>> 1 1
>> 1 1
>> 1 0
>> 1 1
>> 1 0
>> 1 1
>> 1 1
>> 1 1
>> 1 0
>> 1 0
>> 1 0
>> 1 1
>>
>> -Anamika
>>
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