Exercise

Masterclass: Tidy II

In the previous exercise, you gathered, then did a grouped filter to make tidy_ratings. In this exercise, you'll make two charts in ggplot2 with this tidy data to see if the judge's tweet spoiled the Series 8 finale ratings.

The two plots you'll make, a slope chart and a dumbbell chart, are nice ways to show change between two data points combining geom_point() and geom_line().

You'll use these to visualize the "finale bump" in viewers between the premiere and finale episodes across series.

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Recode the episode variable as either "first" or "last".