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

This article mainly introduces "the method of ggplot2 drawing". In the daily operation, I believe that many people have doubts about the method of ggplot2 drawing. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts of "ggplot2 drawing method"! Next, please follow the editor to study!

In the process of drawing, by adding an appropriate amount of notes (graphics, formulas, notes) and the overall appearance of the drawing, the reader can understand the meaning of the graphic expression more quickly and accurately.

The annotate () function in the ggplot2 package helps you to annotate the specified location of the drawing. General annotations can be modified from the point, line and surface point of view, and the corresponding geom parameters are text, segment, pointrange, and rect.

Examples of basic graphics:

Library (ggplot2)

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