From 3ae3d01690b00cb7e60f71d2b99645b4ecba0a49 Mon Sep 17 00:00:00 2001
From: Carine Rey <carine.rey@ens-lyon.fr>
Date: Wed, 4 Jan 2023 13:54:02 +0100
Subject: [PATCH] fix challenge 2 (switch mutate by summarise)
---
session_5/session_5.Rmd | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/session_5/session_5.Rmd b/session_5/session_5.Rmd
index 63f99d3..16aed13 100644
--- a/session_5/session_5.Rmd
+++ b/session_5/session_5.Rmd
@@ -281,7 +281,7 @@ flights %>%
) %>%
mutate(wday = strftime(time_hour,'%A')) %>%
group_by(wday) %>%
- mutate(
+ summarise(
prop_cancel_day = sum(canceled)/n(),
av_delay = mean(dep_delay, na.rm = TRUE)
) %>%
--
GitLab