A CmdStanDiagnose object is the object returned by the $diagnose() method of a CmdStanModel object.

Methods

CmdStanDiagnose objects have the following associated methods:

MethodDescription
$gradients()Return gradients from diagnostic mode.
$lp()Return the total log probability density (target).
$init()Return user-specified initial values.
$metadata()Return a list of metadata gathered from the CmdStan CSV files.
$save_output_files()Save output CSV files to a specified location.
$save_data_file()Save JSON data file to a specified location.

See also

The CmdStanR website (mc-stan.org/cmdstanr) for online documentation and tutorials.

The Stan and CmdStan documentation:

Other fitted model objects: CmdStanGQ, CmdStanMCMC, CmdStanMLE, CmdStanVB

Examples

# \dontrun{ test <- cmdstanr_example("logistic", method = "diagnose") # retrieve the gradients test$gradients()
#> param_idx value model finite_diff error #> 1 0 -1.3398900 29.94130 29.94130 4.70503e-08 #> 2 1 1.8968100 -36.55540 -36.55540 2.82879e-08 #> 3 2 -0.0268544 -7.27184 -7.27184 3.28137e-08 #> 4 3 -1.4508300 25.98480 25.98480 -1.55207e-08
# }