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Use after_stat instead of the old dotted syntax. (#851) 

The `..` syntax in 3.7 Exercises to refer to computed variable `prop` should be updated to use the best practice of `after_stat` instead. Reduces confusion and more aligns with the documentation.
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Nischal Shrestha 2020-10-03 10:38:39 -04:00 committed by GitHub
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commit 1aeec599b9
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visualize.Rmd
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@ -565,9 +565,9 @@ ggplot2 provides over 20 stats for you to use. Each stat is a function, so you c
```{r, eval = FALSE}
ggplot(data = diamonds) +
geom_bar(mapping = aes(x = cut, y = ..prop..))
geom_bar(mapping = aes(x = cut, y = after_stat(prop)))
ggplot(data = diamonds) +
geom_bar(mapping = aes(x = cut, fill = color, y = ..prop..))
geom_bar(mapping = aes(x = cut, fill = color, y = after_stat(prop)))
```