R2WinBUGS is an R package that interfaces with the WinBUGS and OpenBUGS Gibbs samplers.
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Questions tagged [r2winbugs]
78 questions
2
votes
1 answer
R2WinBUGS opens WinBUGS window, but doesn't launch simulation
I'm trying to run some simulations in WinBUGS using R and R2WinBUGS running in Windows 7.
After I prepare all the files a and launch the function bugs() the WinBUGS windows opens but doesn't start the simulations. The same happens with older…
mferreira
- 388
- 1
- 8
2
votes
1 answer
"Collection operator c error" when calling OpenBUGS from R
I'm trying to use R2OpenBUGS to run a differential equation solver in OpenBUGS.
I have tried this with the exponential decay example (Example01.odc) in the OpenBUGS/Diff/Examples folder.
The first part of this example is a simulation, the second is…
user3668127
- 21
- 2
2
votes
1 answer
Error from running R2WinBUGS in R: 'type' must be "real" for this format
I am getting an error from running R2WinBUGS in R. Heres the code for reproducibility.
#Set working directory
setwd("H://AChaudhuri/Testing/CSVS")
matrix=NULL
csvs <- paste("MVN", 1:2, ".csv", sep="")
for(i in 1:length(csvs)){
matrix[[i]] <-…
user1560215
- 227
- 1
- 13
2
votes
1 answer
error in using WinBUGS from R
The code is following:
require(BRugs)
require(R2WinBUGS)
model<-function(){
for(i in 1:N){
y[i] ~ dnorm(x[i], sigma.y)
}
x[1] ~ dnorm(theta[1], sigma.y)
theta[1] <- 0
for(j in 2:N){
x[j] ~ dnorm(theta[j], sigma.x)
theta[j] <-…
PepsiCo
- 1,399
- 4
- 13
- 18
2
votes
1 answer
R2WinBUGS error - Trap - incompatible copy
I'm trying to call winBUGS from R to estimate a logistic regression. I'm using the following code:
# Directorio de trabajo
setwd("~/3 Diplomado/7 Bayesiana/8t1")
# paquete para hablarse con WinBUGS desde R
library(R2WinBUGS)
# cargamos datos
reg…
JEquihua
- 1,217
- 3
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- 40
1
vote
2 answers
How do I obtain Monte Carlo error in R2OpenBugs?
Has anyone managed to obtain a Monte Carlo error for a parameter when running bayesian model un R2OpenBugs?
It is provided in a standard output of OpenBugs, but when run under R2OpenBugs, the log file doesn't have MC error.Is there a way to ask…
marina_esp
- 13
- 3
1
vote
0 answers
Error: unexpected input in the model with R2OpenBUGS
I am trying to run this model under R for bayesian inference modelling:
model {
for (i in 1:N) {
logit(theta[i]) i- alpha + beta*d[i]
y[i] ∼ dbin(theta[i], n[i])
}
alpha∼ dbeta(1, 1)
beta ∼ dbeta(1, 1)}
I have previously created a list with the…
Jeeks
- 11
- 1
1
vote
0 answers
Trace Plots after MCMC iteration with R2WinBUGS
After carring a Network bayesian Meta-analysis with R2WinBUGS, I tried to create some plots. Specifically, i would like to carry out some trace plot figures to show model convergence; however, I can't create one and don't know how to do it.
Let's…
Claudio Laudani
- 133
- 6
1
vote
0 answers
uninitialized variables and #Bugs:dic.set cannot be executed (is greyed out) issue in WinBUGS
I am running the following model using r2WinBUGS package from R.
model{
for (i in 1:Nshim) {
y.SHIM[i]~ dnorm(mu[i], tau)
mu[i] <- zeta[PID[i]]+beta0[T[PID[i]]]+beta1[T[PID[i]]]*TIME[i]+beta2[T[PID[i]]]*pow(TIME[i],2)
}
for ( k in…
Uddin
- 754
- 5
- 18
1
vote
1 answer
Replicating R's prod() function in WinBUGS
Using WinBUGS, how can I calculate the product of all values in a single vector?
I have tried using a for loop over the same vector.
For example:
In R, if A <- [1,2,3,4], prod(A) = 24.
However,
in BUGS, if a <- 2 , and for (i in 1:n){ a <- a *…
emperorgoose
- 23
- 6
1
vote
0 answers
R2WinBUGS error (no prior specified for this initial value)
The original WinBUGS code is as follows:
model { for (i in 1:n) {for (j in 1:J) {y[i,j] <- equals(D[i],j)
D[i] ~ dcat(p[i,])
p[i,j] <- phi[i,j] / sum(phi[i,])
LL[i,j] <- y[i,j]*log(p[i,j])}
for (j in 2:J) {
S.ed[i,j] <- …
HeeHun Kim
- 11
- 3
1
vote
0 answers
"invalid or unexpected token scanned" model error in WinBugs
by using
model {
for(i in 1:N){
n[i] ~ dpois(mu[i])
mu[i] <- pow(t[i]/beta, alpha)
}
alpha ~ dunif(1,100)
beta ~ dunif(1,100)
}
WinBugs give error"invalid or unexpected token scanned"
kindly consider the above model and give me the…
Asad Ellahi
- 11
- 1
1
vote
0 answers
Cant able to access WinBUGS code in R using R2WinBUGS
I have the model specification in WinBUGS and I have specified all the parameters, initials in the R console. While using the bugs() function say,
bugs(data, parameters,…
Janani A
- 11
- 2
1
vote
1 answer
Switching from MD to SMD in WinBUGS gives undefined real trap error
First time posting here so I hope I have been able to tick all the boxes for requirements. I am running a network meta-analysis using code provided by the NICE technical support documents via R and R2WinBUGS. Model works well using mean difference,…
Tdisher
- 111
- 1
1
vote
1 answer
print DIC in R2OpenBUGS
I'm working in "R2OpenBUGS" in R. I have some mcmc chain:
mcmc <- bugs(data = ... DIC=TRUE ... codaPkg=TRUE)
My question is how to print DIC when codaPkg = TRUE. If codaPkg = FaLSE, then if I just do print(mcmc), it prints the DIC value at the end.…
Babak
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