ggannotate

{ggannotate} makes it easy to add annotations to your {ggplot2} plots by pointing and clicking.

Annotations are often the most important part of a data visualisation, but getting them in exactly the right place can be fiddly.

{ggannotate} launches an interactive Shiny gadget that lets you click on your plot to place annotations exactly where you want them. It then generates the code to reproduce your annotations

Features

• Add text, labels, curves, and rectangles to any ggplot2 plot
• Place multiple annotations in a single session
• Full support for faceted plots
• Annotations using the same geom are combined into a single layer for cleaner code
• Copy generated code to the clipboard with one click
• Use as an RStudio addin or call directly from the console

Installation

Install the development version from GitHub:

# install.packages("pak")
pak::pak("MattCowgill/ggannotate")

Usage

Firs, create a ggplot2 object:

library(ggplot2)
library(ggannotate)

ggplot(mtcars, aes(x = wt, y = mpg)) +
  geom_point()

Then just call ggannotate() or use the handy RStudio addin to invoke ggannotate.

It also works with named plots:

p <- ggplot(mtcars, aes(x = wt, y = mpg)) +
  geom_point()

ggannotate(p)

This launches a Shiny app where you can add your annotations interactively. When you’re done, click “Copy code” to copy the annotation code to your clipboard, then paste it into your script.