r - How to get the time of sampling in rjags? -

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i have implemented lda model rjags. , got final samples with:

jags <- jags.model('../lda_jags.bug',                data = data,                n.chains = 1,                n.adapt = 100)  update(jags, 2000)  samples <- jags.samples(jags,          c('theta', 'phi', 'z'),          1000)

now can use samples$theta or samples$phi result of theta , phi. how can know how long did take sample? thanks!

as @eipi10 states can use system.time() around update() call time process within r. or, can use runjags package prints (total) time taken in updating model, including previous calls extend.jags:

library('runjags') results <- run.jags('../lda_jags.bug', monitor = c('theta', 'phi', 'z'),             data = data, n.chains = 1, adapt = 100, burnin = 2000, sample = 1000) results  # or:  jags <- jags.model('../lda_jags.bug',                data = data,                n.chains = 1,                n.adapt = 0) runjags <- as.runjags(jags, monitor = c('theta', 'phi', 'z')) results <- extend.jags(runjags, adapt = 100, burnin = 2000, sample = 1000) results results <- extend.jags(runjags, sample = 1000) results

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