From 002b2a6525c873aa7cb04a78b79f16cc6604456b Mon Sep 17 00:00:00 2001
From: Joshua Lambert <joshua.lambert@lshtm.ac.uk>
Date: Mon, 7 Oct 2024 17:03:57 +0100
Subject: [PATCH] use isTRUE to handle NAs from family in format.epiparameter

---
 R/epiparameter.R | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/R/epiparameter.R b/R/epiparameter.R
index 9f36bad43..427aee868 100644
--- a/R/epiparameter.R
+++ b/R/epiparameter.R
@@ -430,7 +430,8 @@ format.epiparameter <- function(x, ...) {
       no = tr_("Distribution: %s")
     )
     fam <- family(x)
-    if (fam == "mixture") {
+    # isTRUE to control for family returning NA for unparameterised
+    if (isTRUE(fam == "mixture")) {
       fam <- paste(fam, toString(.get_mixture_family(x)), sep = ": ")
     }
     writeLines(sprintf(dist_string, fam))