From 96dadfd5a00e303f5074435b2917f8de40aaf5c4 Mon Sep 17 00:00:00 2001
From: Daniel <mail@danielluedecke.de>
Date: Mon, 8 Jul 2024 19:49:01 +0200
Subject: [PATCH] ICC for `beta_family` not accurate #742

---
 R/r2.R | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/R/r2.R b/R/r2.R
index 0689f3a0c..832142673 100644
--- a/R/r2.R
+++ b/R/r2.R
@@ -291,6 +291,12 @@ r2.glm <- function(model, ci = NULL, verbose = TRUE, ...) {
       insight::format_warning("Can't calculate accurate R2 for binomial models that are not Bernoulli models.")
     }
     out <- NULL
+  } else if (info$is_orderedbeta) {
+    # ordered-beta-regression
+    out <- r2_ferrari(model, correct_bounds = TRUE)
+  } else if (info$is_beta) {
+    # beta-regression
+    out <- r2_ferrari(model)
   } else {
     out <- list(R2_Nagelkerke = r2_nagelkerke(model, ...))
     names(out$R2_Nagelkerke) <- "Nagelkerke's R2"