fix workflows

.github/workflows/R-CMD-check.yaml

@@ -22,17 +22,16 @@ jobs:
       fail-fast: false
       matrix:
         config:
+          - {os: macOS-latest,   r: 'release'}
           - {os: windows-latest, r: 'release'}
-          - {os: macos-latest, r: 'release'}
-          - {os: ubuntu-latest, r: 'release'}
-          - {os: ubuntu-latest, r: 'devel', http-user-agent: 'release'}
-
+          - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
+          - {os: ubuntu-latest,   r: 'release'}
+          - {os: ubuntu-latest,   r: 'oldrel-1'}
     env:
-      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
-
+      R_KEEP_PKG_SOURCE: yes
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
@@ -50,3 +49,4 @@ jobs:
       - uses: r-lib/actions/check-r-package@v2
         with:
           upload-snapshots: true
+          build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf")'

R/summary.mi.R

@@ -1,3 +1,15 @@
+#' Summary of an mi object
+#' 
+#' Returns summary information about the list of multiply imputed data
+#' sets
+#'
+#' @param object an object of class \code{mi}. Typically, an output
+#'        from the function \code{amelia}.
+#' @param ... further arguments.
+#'
+#' @seealso \code{\link{amelia}}
+#' @exportS3method
+
 summary.mi <- function(object, ...) {
   m <- length(object)
   nv <- length(object[[1]])