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  3. Introduction to Data Visualization with ggplot2
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Exercise

Drawing your first plot

To get a first feel for ggplot2, let's try to run some basic ggplot2 commands. The mtcars dataset contains information on 32 cars from a 1973 issue of Motor Trend magazine. This dataset is small, intuitive, and contains a variety of continuous and categorical variables.

Instructions

100 XP
  • Load the ggplot2 package using library().
  • Use str() to explore the structure of the mtcars dataset.
  • Submit the code. This will execute the example code. See if you can understand what ggplot does with the data.