From a587f2b69ace55e5f1edb1b3ec39daee9d0aad4c Mon Sep 17 00:00:00 2001
From: Daniel <mail@danielluedecke.de>
Date: Fri, 11 Aug 2023 11:49:57 +0200
Subject: [PATCH] check if effects pkg is available

---
 vignettes/plot_marginal_effects.Rmd | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vignettes/plot_marginal_effects.Rmd b/vignettes/plot_marginal_effects.Rmd
index 5c9b6f51..f7553ab4 100644
--- 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)) {