Adjust Position of ggplot2 Plot Title in R (Example)

The following R code shows how to change the positioning of the title of a ggplot2 plot in the R programming language.

Example Data

my_data <- data.frame(x = 1:10,                                  # Example data
                      y = 1:10)

Load ggplot2 Package & Create Plot with Default Title

The following R code installs and loads the ggplot2 package:

install.packages("ggplot2")                                      # Install ggplot2
library("ggplot2")                                               # Load ggplot2

We can draw a basic ggplot2 plot with a title as follows:

my_ggplot <- ggplot(my_data, aes(x, y)) +                        # ggplot2 with title
  geom_point(aes(x, y)) +
  ggtitle("THIS IS MY TITLE")
my_ggplot                                                        # Print plot

left handed ggplot plot title

ggplot2 Plot with Centered Title

my_ggplot + theme(plot.title = element_text(hjust = 0.5))        # Centered title

ggplot plot title in the middle

ggplot2 Plot with Title on the Right Side

my_ggplot + theme(plot.title = element_text(hjust = 1))          # Right-handed title

right handed  ggplot plot title

ggplot2 Plot with Title within the Plot Area

my_ggplot + theme(plot.title = element_text(vjust = - 10))       # Vertically adjusted title

ggplot plot title within plot

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