How to Annotate Text to a ggplot2 Graph in R (Example Code)

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

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 ggplot2 package
library("ggplot2")         # Load ggplot2 package

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

ggp <- ggplot(iris,        # ggplot2 graph without text
              aes(Sepal.Length,
                  Sepal.Width)) +
  geom_point()
ggp

ggp <- ggplot(iris, # ggplot2 graph without text aes(Sepal.Length, Sepal.Width)) + geom_point() ggp

ggp +                      # Annotating text to ggplot2 graph
  annotate("text",
           x = 6.8,
           y = 4,
           label = "This is my text!",
           col = "orange",
           size = 8)

ggp + # Annotating text to ggplot2 graph annotate("text", x = 6.8, y = 4, label = "This is my text!", col = "orange", size = 8)