This commit is contained in:
yahwes
2016-10-04 09:01:45 -05:00
committed by Hadley Wickham
parent 425f22f45d
commit 32bd47212d

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@@ -454,7 +454,7 @@ ggplot(data = diamonds) +
geom_point(mapping = aes(x = carat, y = price), alpha = 1 / 100)
```
But using transparency can be challening for very large datasets. Another solution is to use bin. Previously you used `geom_histogram()` and `geom_freqpoly()` to bin in one dimension. Now you'll learn how to use `geom_bin2d()` and `geom_hex()` to bin in two dimensions.
But using transparency can be challenging for very large datasets. Another solution is to use bin. Previously you used `geom_histogram()` and `geom_freqpoly()` to bin in one dimension. Now you'll learn how to use `geom_bin2d()` and `geom_hex()` to bin in two dimensions.
`geom_bin2d()` and `geom_hex()` divide the coordinate plane into 2d bins and then use a fill color to display how many points fall into each bin. `geom_bin2d()` creates rectangular bins. `geom_hex()` creates hexagonal bins. You will need to install the hexbin package to use `geom_hex()`.