October 2017
Beginner to intermediate
236 pages
7h 38m
English
Content preview from Modern R Programming Cookbook
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See also
It could happen that you do not know the exact name of the variables, but you know the partial name. You can still select the variables just using the partial variable names, but you need to use the following functions within the select() operation:
- starts_with()
- ends_with()
- matches()
- contains()
You will get more information about those wild card functions by typing ?starts_with in the R console.