check tests

.github/workflows/check.yaml

@@ -26,6 +26,8 @@ jobs:
       REPO_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     with:
       additional-r-cmd-check-params: --as-cran
+      additional-env-vars: |
+        NOT_CRAN=true
   coverage:
     name: Coverage 📔
     uses: insightsengineering/r.pkg.template/.github/workflows/test-coverage.yaml@main

R/matching.R

@@ -354,17 +354,18 @@ plot_weights_ggplot <- function(weighted_data, bin_col, vline_col,
   })
   legend_data <- data.frame(ind = main_title, lab = lab)
 
+  values <- median <- NULL # dummy assignment for undefined variable check
   hist_plot <- ggplot2::ggplot(wt_data) +
-    ggplot2::geom_histogram(ggplot2::aes_string(x = "values"), bins = bins, color = bin_col, fill = bin_col) +
-    ggplot2::geom_vline(ggplot2::aes_string(xintercept = "median"),
+    ggplot2::geom_histogram(ggplot2::aes(x = values), bins = bins, color = bin_col, fill = bin_col) +
+    ggplot2::geom_vline(ggplot2::aes(xintercept = median),
       color = vline_col,
       linetype = "dashed"
     ) +
     ggplot2::theme_bw() +
     ggplot2::facet_wrap(~ind, ncol = 1) +
     ggplot2::geom_text(
       data = legend_data,
-      ggplot2::aes_string(label = "lab"), x = Inf, y = Inf, hjust = 1, vjust = 1, size = 3
+      ggplot2::aes(label = lab), x = Inf, y = Inf, hjust = 1, vjust = 1, size = 3
     ) +
     ggplot2::theme(
       axis.title = ggplot2::element_text(size = 12),