Setting keys
The netflix and imdb data.tables are available in your workspace. Your goal is to set the keys for both data.tables so that you can perform a series of joins without needing to specify the join keys each time.
Diese Übung ist Teil des Kurses
Joining Data with data.table in R
Anleitung zur Übung
- Set
titleas the key of bothnetflixandimdbusingsetkey()(docs). - Inner join
imdbtonetflixwithout specifying theonargument.
Interaktive Übung
Versuche dich an dieser Übung, indem du diesen Beispielcode vervollständigst.
# Set the keys
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# Inner join
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