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Introduce summary() to inspect gapminder dataset in lesson 05-data-structures-part2 #445
Currently the lesson uses
Thus, I suggest introducing summary() along with str() to inspect gapminder in order to provide a better description of the dataset for learners. A better grasp of this dataset will also facilitate the interpretation of the graphics generated in the ggplot2 lesson.
Alternatively, this function could be introduced within Challenge 5, to allow students to interpret the output of