From 79981d598f4eedf2f7e068c94f30ec69fe9a2058 Mon Sep 17 00:00:00 2001
From: Hadley Wickham <h.wickham@gmail.com>
Date: Wed, 7 Sep 2022 17:23:18 -0500
Subject: [PATCH] Clarify exercise

Fixes #794
---
 data-visualize.qmd | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/data-visualize.qmd b/data-visualize.qmd
index d8f524b..9574f0b 100644
--- a/data-visualize.qmd
+++ b/data-visualize.qmd
@@ -724,10 +724,20 @@ ggplot(data = mpg, mapping = aes(x = displ, y = hwy)) +
       geom_smooth(se = FALSE)
     ```
 
-3.  What does `show.legend = FALSE` do?
-    What happens if you remove it?\
+3.  Earlier in this chapter we used `show.legend` without explaining it:
 
-    Why do you think we used it earlier in the chapter?
+    ```{r}
+    #| eval: false
+    ggplot(data = mpg) +
+      geom_smooth(
+        mapping = aes(x = displ, y = hwy, color = drv),
+        show.legend = FALSE
+      )
+    ```
+
+    What does `show.legend = FALSE` do here?
+    What happens if you remove it?
+    Why do you think we used it earlier?
 
 4.  What does the `se` argument to `geom_smooth()` do?