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update numDivergences in sampler_NUTS #81

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update numDivergences in sampler_NUTS #81

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1 change: 1 addition & 0 deletions nimbleHMC/R/HMC_samplers.R
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Original file line number Diff line number Diff line change
Expand Up @@ -1078,6 +1078,7 @@ sampler_NUTS <- nimbleFunction(
if(is.nan(new_H)) new_H <- Inf
deltaH <- new_H - H0
if(deltaH > deltaMax) divergent <<- TRUE
if(divergent) numDivergences <<- numDivergences + 1
branch$log_sum_wt <- log_sum_exp(branch$log_sum_wt, -deltaH)
if((-deltaH) > 0) sum_metropolis_prob <<- sum_metropolis_prob + 1
else sum_metropolis_prob <<- sum_metropolis_prob + exp(-deltaH)
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