Calculates an R-hat (potential scale reduction factor) value.
# S3 method for mcmcarray
rhat(x, by = "all", as_df = FALSE, na_rm = FALSE, ...)An object.
A string indicating whether to determine by "term", "parameter" or "all".
A flag indicating whether to return the results as a data frame versus a named list.
A flag specifying whether to ignore missing values.
Other arguments passed to methods.
A number >= 1 indicating the rhat value.
By default the uncorrected, unfolded, univariate, split R-hat value.
Gelman, A., and Rubin, D.B. 1992. Inference from Iterative Simulation Using Multiple Sequences. Statistical Science 7(4): 457–472.
Other convergence:
converged_pars(),
converged_terms(),
converged(),
esr_pars(),
esr_terms(),
esr(),
rhat_pars(),
rhat_terms()