check_mcmc function

Diagnostics of the MCMC

check_mcmc(stan_fit, n_draws, threshold_lowESS = 0.4)

Arguments

• stan_fit: A stanfit object.
• n_draws: Number of MCMC draws.
• threshold_lowESS: A number in [0,1] indicating the minimum acceptable value of the relative ESS. See details.

Returns

A warning message in case of detected problems.

Details

Performs checks of the quality of the MCMC. See check_ESS() and check_hmc_diagn()

for details.