How To Add Text To a Plot in R
37This video shows how to add text at arbitrary x, y positions to plots in base R and ggplot2.
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Code used in this R Code Clip:
# Add text to a base R plot
# Create plot
plot(mtcars$mpg, mtcars$hp)
# Add text at a given point
text(x = 22, # text x coordinate
y = 220, # text y coordinate
labels = "text", # text label
col = "purple", # text color
cex = 4) # text size
# Add text in ggplot
library(tidyverse)
ggplot(data = mtcars, aes(x = mpg, y = hp)) +
geom_point() + # Create scatterplot
annotate("text", x=22, y=220, # Add text
label = "text",
col = "purple",
size = 18)
* Note: YouTube does not allow greater than or less than symbols in the text description, so the code above will not be exactly the same as the code shown in the video! I will use Unicode large ＜ and ＞ symbols in place of the standard sized ones.