changed a punctuation mark (#564)

-"."
+"?" (End of a question)
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Sebastian Kraus 2017-05-03 14:45:55 +02:00 committed by Hadley Wickham
parent 190b9134f8
commit 0f9ff62c4b
1 changed files with 1 additions and 1 deletions

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@ -91,7 +91,7 @@ The rest of this chapter will show you how to complete and extend this template
1. Make a scatterplot of `hwy` vs `cyl`.
1. What happens if you make a scatterplot of `class` vs `drv`. Why is
1. What happens if you make a scatterplot of `class` vs `drv`? Why is
the plot not useful?
## Aesthetic mappings