Using attributes

Introduction to Data Visualization with ggplot2

Rick Scavetta

Founder, Scavetta Academy

Aesthetics? Attributes!

ggplot(iris, aes(x = Sepal.Length, 
                 y = Sepal.Width)) + 
  geom_point(color = "red")

Type	Property
Color	"red"

Set attributes in geom_*().

The color attribute is set to "red".

ggplot(iris, aes(x = Sepal.Length, 
                 y = Sepal.Width)) + 
  geom_point(size = 10)

Type	Property
Size	4

ggplot(iris, aes(x = Sepal.Length, 
                 y = Sepal.Width)) + 
  geom_point(shape = 4)

Type	Property
Shape	4

Introduction to Data Visualization with ggplot2