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  3. Cleaning Data in R

Exercise

Identifying inconsistency

In the video exercise, you learned about different kinds of inconsistencies that can occur within categories, making it look like a variable has more categories than it should.

In this exercise, you'll continue working with the sfo_survey dataset. You'll examine the dest_size column again as well as the cleanliness column and determine what kind of issues, if any, these two categorical variables face.

dplyr and is loaded and sfo_survey is available.

Instructions 1/4

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  • Count the number of occurrences of each category of the dest_size variable of sfo_survey.