How to Break the Axis of a Plot in R (Example Code)

In this tutorial, I’ll explain how to remove the middle of the plot area in R.

Creating Exemplifying Data

data(iris)                         # Load 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
plot(iris$Sepal.Length,            # Graph without gap
     iris$Petal.Length)

r graph figure 1 break axis

Example: Breaking Plot Axis Using gap.plot Function of plotrix Package

install.packages("plotrix")        # Install plotrix package
library("plotrix")                 # Load plotrix
gap.plot(iris$Sepal.Length,        # Graph with gap
         iris$Petal.Length,
         gap = c(2, 5))

r graph figure 2 break axis

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