Shulou(Shulou.com)05/31 Report--

This article mainly introduces the relevant knowledge of "what are the ggplot2 knowledge points of R language". The editor shows you the operation process through actual cases, the operation method is simple and fast, and it is practical. I hope this article "what are the ggplot2 knowledge points of R language" can help you solve the problem.

1 data (Data) and mapping (Mapping)

Let's take the data of a diamond as an example, this data is very large, randomly take a subset to draw a picture.

Require (ggplot2)

Data (diamonds)

# # set seed, which can be repeated (the number is arbitrary)

Set.seed (42)

Small

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