check if effects pkg is available

strengejacke · Aug 11, 2023 · a587f2b · a587f2b
1 parent 70034d2
commit a587f2b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/vignettes/plot_marginal_effects.Rmd b/vignettes/plot_marginal_effects.Rmd
@@ -30,6 +30,8 @@ options(width = 800, tibble.width = Inf)
 
 if (!requireNamespace("sjmisc", quietly = TRUE) ||
     !requireNamespace("splines", quietly = TRUE) ||
+    !requireNamespace("ggeffects", quietly = TRUE) ||
+    !requireNamespace("effects", quietly = TRUE) ||
     !requireNamespace("ggplot2", quietly = TRUE) ||
     !requireNamespace("haven", quietly = TRUE) ||
     !requireNamespace("sjlabelled", quietly = TRUE)) {