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Let's flip some axes

First, we can practice rotating a plot. Provided is code that makes a bar plot of the number of cases of pertussis in the Americas region (AMR) in 1980. You will notice it's almost unreadable.

First, to help see patterns that may be in the data, reorder() the columns in descending order of cases.

Next, let's coord_flip() the axes to make it possible to read the country names.

Diese Übung ist Teil des Kurses

Visualization Best Practices in R

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Anleitung zur Übung

  • reorder() the x-axis by descending order of cases
  • Add coord_flip() to the plot to swap x and y-axes.

Interaktive Übung

Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.

amr_pertussis <- who_disease %>% 
	filter(   # filter data to our desired subset
		region == 'AMR', 
		year == 1980, 
		disease == 'pertussis'
	)
# Set x axis as country ordered with respect to cases. 
ggplot(amr_pertussis, aes(x = ___, y = cases)) +
	geom_col() +
	# flip axes
	___
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