Switch ggplot2 Facet Plot Labels from Top to Bottom in R (Example Code)

In this article you’ll learn how to switch facet plot labels to the bottom of each panel in the R programming language.

Setting up the Example

data(iris)                       # Example data
head(iris)
#   Sepal.Length Sepal.Width Petal.Length Petal.Width Species
# 1          5.1         3.5          1.4         0.2  setosa
# 2          4.9         3.0          1.4         0.2  setosa
# 3          4.7         3.2          1.3         0.2  setosa
# 4          4.6         3.1          1.5         0.2  setosa
# 5          5.0         3.6          1.4         0.2  setosa
# 6          5.4         3.9          1.7         0.4  setosa
install.packages("ggplot2")      # Install & load ggplot2
library("ggplot2")
ggplot(iris,                     # Facet plot labels on top
       aes(x = Sepal.Width,
           y = Petal.Width)) +
  geom_point() +
  facet_grid(~ Species)

r graph figure 1 switch ggplot2 facet labels from top bottom r

Example: How to Switch facet_grid Labels to the Bottom of Plot

ggplot(iris,                     # Facet plot labels at the bottom
       aes(x = Sepal.Width,
           y = Petal.Width)) +
  geom_point() +
  facet_grid(~ Species,
             switch = "both")

r graph figure 2 switch ggplot2 facet labels from top bottom r

Further Resources & Related Tutorials

Below, you can find some additional resources on topics such as plot legends, graphics in R, ggplot2, and labels.

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