remove unnecessary group_by() before count()

carpentries-incubator · Sep 28, 2023 · c97f965 · c97f965
1 parent 594a53d
commit c97f965
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/episodes/30-dplyr.Rmd b/episodes/30-dplyr.Rmd
@@ -511,7 +511,6 @@ rna %>%
 ## 3.
 rna %>%
   filter(sample == "GSM2545336") %>%
-  group_by(gene_biotype) %>%
   count(gene_biotype) %>%
   arrange(desc(n))
 ## 4.