Fix R Error – stat_count Must not be Used with a Y Aesthetic (2 Examples)
In this article you’ll learn how to fix the error message “stat_count() must not be used with a y aesthetic.” in R.
Preparing the Examples
data(iris) # Loading 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) # Loading 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 & load ggplot2 library("ggplot2") |
install.packages("ggplot2")# Install & load ggplot2 library("ggplot2")
Example 1: Replicating the Error: stat_count() must not be used with a y aesthetic.
ggplot(iris, # Trying to draw ggplot2 barchart aes(x = Species, y = Petal.Length)) + geom_bar() # Error: stat_count() must not be used with a y aesthetic. |
ggplot(iris, # Trying to draw ggplot2 barchart aes(x = Species, y = Petal.Length)) + geom_bar() # Error: stat_count() must not be used with a y aesthetic.
Example 2: ggplot2 Barplot Using stat = “identity” Argument in geom_bar
ggplot(iris, # Properly drawing ggplot2 barchart aes(x = Species, y = Petal.Length)) + geom_bar(stat = "identity") |
ggplot(iris, # Properly drawing ggplot2 barchart aes(x = Species, y = Petal.Length)) + geom_bar(stat = "identity")