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Add missing word. Fixes #470

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hadley 2017-05-03 07:52:03 -05:00
parent 30dc885eb0
commit 25d0c9b083
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visualize.Rmd
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@ -479,7 +479,7 @@ The algorithm used to calculate new values for a graph is called a __stat__, sho
knitr::include_graphics("images/visualization-stat-bar.png")
```
You can learn which stat a geom uses by inspecting the default value for the `stat` argument. For example, `?geom_bar` shows the default value for `stat` is "count", which means that `geom_bar()` uses `stat_count()`. `stat_count()` is documented on the same page as `geom_bar()`, and if you scroll down you can find a section called "Computed variables". That tells that it computes two new variables: `count` and `prop`.
You can learn which stat a geom uses by inspecting the default value for the `stat` argument. For example, `?geom_bar` shows that the default value for `stat` is "count", which means that `geom_bar()` uses `stat_count()`. `stat_count()` is documented on the same page as `geom_bar()`, and if you scroll down you can find a section called "Computed variables". That tells that it computes two new variables: `count` and `prop`.
You can generally use geoms and stats interchangeably. For example, you can recreate the previous plot using `stat_count()` instead of `geom_bar()`: