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.
Deze oefening maakt deel uit van de cursus
Introduction to Data Visualization with ggplot2
Oefeninstructies
- Load the
ggplot2package usinglibrary(). - Use
str()to explore the structure of themtcarsdataset. - Submit the code. This will execute the example code. See if you can understand what
ggplotdoes with the data.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Load the ggplot2 package
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# Explore the mtcars data frame with str()
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# Execute the following command
ggplot(mtcars, aes(cyl, mpg)) +
geom_point()