Questions tagged [rjags]
149 questions
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How to avoid overdispersed Poisson regression overfitting?
I have a dataset including three variables including company id (there are 96 companies), expert id (there are 38 experts) and points given by experts to companies. Points are discrete values from 0 to 100. I tried fitting an overdispersed poisson…
Amin Shn
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Error while running R code after submitting a job
If I simply run the R code then it works. However, it does not work when I submit a job.
I am trying to run myRcode.R file by submitting a job. Following is the .sh file:
#!/bin/bash
#PBS -N myRexample # Set job name to myjob
#PBS -l nodes=1:ppn=2 #…
Hello
- 61
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"Error: Attempt to redefine node" in Mixture that changes size every iteration
My data has three columns Time, Interval, Count. I have a mixture of Poissons that goes like this
mod_string = " model{
for(i in 2:length(Count)){
Count[i] ~ dpois(lambda.hacked[i]*z[i]+0.0001)
z[i] ~dbern(p)
lambda.hacked[i] <- mu[ clust[i]…
A Doe
- 301
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- 14
0
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1 answer
forest(relative.effect()) / Error in result[["model"]] : subscript out of bounds
I am trying to plot the results of a network meta-analysis. I have successfully generated the rank probabilities for each treatment relative to placebo. However, when I call forest(relative.effect(results.rank)) I encounter the following…
Sandro
- 101
- 7
0
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2 answers
JAGS: variable number of clusters
I am trying to run a Bayesian clustering model where the number of clusters is random with binomial distribution.
This is my Jags model:
model{
for(i in 1:n){
y[ i ,1:M] ~ dmnorm( mu[z[i] , 1:M] , I[1:M, 1:M])
z[i] ~…
Davide Maran
- 134
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0
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1 answer
R error (JAGS) Cannot insert node into alpha[1:284]. Dimension mismatch
I am sure there's a lot of errors with this code. I'm fairly new to JAGS, and just can't figure out this model.
write("model {
#priors
lamda ~ dunif(0,1)
p ~ dunif(0,1)
mu~ dnorm(0,0.001)
tau ~ dgamma(.001,0.001)
#likelihoods
for (i in…
Sara Schoen
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- 1
0
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1 answer
Attempt to redefine node compilation error in JAGS
I am trying to run the following JAGS code from R. I am just showing some part of the code where the error is occurring.
for(mmm in 1 : p){
for(jj in 1 : K){
vv[jj] ~ dbeta(1,1);
}
pp[1]…
Hello
- 61
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- 9
0
votes
1 answer
How to install rjags when instalaltion is failing with undefined symbol: _ZN4jags7Console10setRNGnameERKNSt[...]
install.packages("rjags") and the install.packages("rjags", configure.args="--enable-rpath") recomended in rjags's INSTALL fails with the following error:
** testing if installed package can be loaded from temporary location
Error: package or…
jan-glx
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1 answer
Why does rjags give Dimension mismatch taking subset of y error here?
I have written this model but rjags gives dimension mismatch error; What's happening?
Error in jags.model(textConnection(model1), data = jags_data, n.chains = n_chains, :
RUNTIME ERROR:
Compilation error on line 8.
Dimension mismatch taking subset…
ie86
- 157
- 5
0
votes
1 answer
homebrew not installing JAGS
I'm trying to install JAGS through homebrew so I can use it in R. I am getting the following warning every time I install:
Warning: jags dependency gcc was built with a different C++ standard
library (libstdc++ from clang). This may cause problems…
ADF
- 522
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- 14
0
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0 answers
Bayesian logistic regression using rjags
I want to perform Bayesian logistic regression using package rjags. Unfortunately I end up being frustrated with an error msg
Error parsing model file: syntax error on line 9 near ")
which I can't interpret. Can anyone help. I am new to stack…
Mtani Njegere
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- 1
0
votes
1 answer
Does JAGS have a log function for bases other than e?
I am trying to calculate a log with base 2 in JAGS, but can't find a way to implement this.
In the documentation I can't find a way to do this, and I am hoping I am missing something,
or that someone knows a workaround.
Thanks in advance for any…
Benny Borremans
- 3
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0
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1 answer
Error messgae in JAGS when defining constraints for priors Attempt to redefine node
I am trying to sample from prior distributions and constrain some of the sums and differences to be greater than 0, however, when I run this code that usually works in OpenBugs/WinBugs, I get the following error 'Attempt to redefine node '. I was…
Martin
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0
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1 answer
How to randomly initialize the chains with Rjags?
I'm trying initialize the chains of the bayesian model randomly, today i do it inserting the values manually, like this:
inits1 <- list("alpha" = 10, "beta" = 3.2, "lambda" = 2)
inits2 <- list("alpha" = 18, "beta" = 7, "lambda" = 4.6)
inits3 <-…
Victor Barreto
- 119
- 8
0
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0 answers
JAGS not recognizing values stored in R's global environment
I'm running JAGS with R v3.6.1 and Rstudio v1.2 in Windows 10, using package R2jags. JAGS does not appear to find the stored values that I've created in R for MCMC settings such as n.iter, n.burn-in, etc. because my code:
out2 <- jags.parallel…
jj1995
- 1