stan-dev
diff --git a/‎.github/workflows/R-CMD-check.yaml
+1 b/‎.github/workflows/R-CMD-check.yaml
+1
diff --git a/‎DESCRIPTION
+1 b/‎DESCRIPTION
+1
diff --git a/‎R/log_lik.R
+183-186 b/‎R/log_lik.R
+183-186
diff --git a/‎R/loo-prediction.R
+1 b/‎R/loo-prediction.R
+1
@@ -35,6 +35,7 @@ jobs:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
       RSPM: ${{ matrix.config.rspm }}
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      TESTTHAT_CPUS: 4
 
     steps:
       - uses: n1hility/cancel-previous-runs@v2
 
@@ -80,3 +80,4 @@ NeedsCompilation: yes
 URL: https://mc-stan.org/rstanarm/, https://discourse.mc-stan.org
 BugReports: https://github.com/stan-dev/rstanarm/issues
 RoxygenNote: 7.3.1
+Config/testthat/parallel: true
@@ -159,6 +159,7 @@ loo_predictive_interval.stanreg <-
 #'
 #' @export
 #' @param log_ratios log_ratios for PSIS computation
+#' @param ... Additional arguments passed to \code{\link[loo]{psis}}
 psis.stanreg <- function(log_ratios, ...) {
   object <- log_ratios
   message("Running PSIS to compute weights...")