Graphics Error in R: Invalid Graphics State (2 Examples)

This article shows how to handle the “invalid graphics state” error message in R programming.

Setting up the Examples

data(iris)                                        # Load iris data set
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

Example 1: Replicating the Error Message: invalid graphics state

install.packages("ggplot2")                       # Install ggplot2 package
library("ggplot2")                                # Load ggplot2
ggplot(iris, aes(Sepal.Length, Sepal.Width)) +    # This code may produce an error
  geom_point()
# Error in .Call.graphics(C_palette2, .Call(C_palette2, NULL)) : 
#   invalid graphics state

Example 2: Solving the Error Message: invalid graphics state

dev.off()                                         # Running dev.off before drawing plot
ggplot(iris, aes(Sepal.Length, Sepal.Width)) +    # Drawing plot
  geom_point()

r graph figure 1 graphics error r invalid graphics state

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