Check Pareto k diagnostics for a brma model object and warn if any values are high.
# S3 method for brma
check_loo(object, unit = "estimate", ...)NULL (throws warning if diagnostics are unreliable).
a brma model object.
output/deletion unit. See add_loo.
currently unused.
LOO must first be computed with
object <- add_loo(object, unit = unit). The method warns when any
Pareto \(k\) diagnostic is greater than 0.7.