Shulou(Shulou.com)06/01 Report--

This article is about how to use the ggplot2+ggforce package of R language to draw scatter charts and add group boundaries, the editor thinks it is very practical, so I hope you can get something after reading this article. Let's take a look at it with the editor.

Today, when I was looking up Sanjitu's information, I found an article about how to use the ggforce package. I found that there are other ways to add packet boundaries. Record today's tweet.

The example data directly uses the iris data set built in R language, which is first of all a rectangular grouping boundary.

Using the geom_mark_rect () function

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