The $return_codes()
method returns a vector of return codes
from the CmdStan run(s). A return code of 0 indicates a successful run.
return_codes()
An integer vector of return codes with length equal to the number of CmdStan runs (number of chains for MCMC and one otherwise).
# \dontrun{ # example with return codes all zero fit_mcmc <- cmdstanr_example("schools", method = "sample")#>#>fit_mcmc$return_codes() # should be all zero#> [1] 0 0 0 0# example of non-zero return code (optimization fails for hierarchical model) fit_opt <- cmdstanr_example("schools", method = "optimize")#>#>fit_opt$return_codes() # should be non-zero#> [1] 1# }