R How to Suppress Vertical & Horizontal Gridlines in ggplot2 Plot (2 Examples)

In this article you’ll learn how to suppress ggplot2 gridlines in R.

Setting up the Examples

data(iris)                     # Load iris data
head(iris)                     # Inspect iris data
#   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")
my_plot <- ggplot(iris,        # Draw ggplot2 graph with grid
              aes(x = Petal.Length,
                  y = Petal.Width)) +
  geom_point()
my_plot                        # Printing graph

r graph figure 1 r suppress vertical horizontal gridlines ggplot2 plot

Example 1: Remove Vertical Lines from ggplot2 Plot

my_plot +                      # ggplot2 graph without vertical gridlines
  scale_x_continuous(breaks = NULL)

Example 2: Remove Horizontal Lines from ggplot2 Plot

my_plot +                      # ggplot2 graph without horizontal gridlines
  scale_y_continuous(breaks = NULL)

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