From 1795c9485584041f812e49de96e57ea100f1c39f Mon Sep 17 00:00:00 2001
From: Mitsuo Shiota <48662507+mitsuoxv@users.noreply.github.com>
Date: Tue, 9 Feb 2021 22:25:34 +0900
Subject: [PATCH] Fix fct_lump example (#918)

* happen to have "Other" in factor levels

* rescind code change, instead add comments

* make an exercise
---
 factors.Rmd | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/factors.Rmd b/factors.Rmd
index 3fd38aa..c48dacd 100644
--- a/factors.Rmd
+++ b/factors.Rmd
@@ -329,3 +329,5 @@ gss_cat %>%
     Independent changed over time?
 
 1.  How could you collapse `rincome` into a small set of categories?
+
+1.  Notice there are 9 groups (excluding other) in the `fct_lump` example above. Why not 10? (Hint: type `?fct_lump`, and find the default for the argument `other_level` is "Other".)