Exercise

What's in a number?

Turn your attention to the variable called number. Read more about it by pulling up the help file with ?email.

To explore the association between this variable and spam, select and construct an informative plot. For illustrating relationships between categorical variables, you've seen

Faceted barcharts
Side-by-side barcharts
Stacked and normalized barcharts.

Let's practice constructing a faceted barchart.

Instructions

100 XP

Reorder the levels of number so that they preserve the natural ordering of "none", then "small", then "big", saving to a number_reordered column.
Construct a faceted barchart of the association between number and spam.