Basic scatterplot

A scatterplot displays the values of two variables along two axes. It shows the relationship between them, eventually revealing a correlation.

Here the relationship between Sepal width and Sepal length of several plants is shown.

It illustrates the basic utilization of ggplot2 for scatterplots:

• 1 - provide a dataframe
• 2 - tell which variable to show on x and y axis
• 3 - add a geom_point() to show points.

# Libraries
library(ggplot2)
 
# Basic scatterplot
ggplot(iris, aes(x=Sepal.Length, y=Sepal.Width)) + 
    geom_point() + theme_bw()