Question

Point out the wrong statement? (a) Renaming a variable in a data frame in R is surprisingly hard to do (b) The mutate() function exists to compute transformations of variables in a data frame (c) mute() function, which does the same thing as mutate() but then drops all non-transformed variables (d) The data frame is a key data structure in statistics and in R This question was addressed to me in semester exam. Asked question is from dplyr topic in section R – Data Storage, Formats, Objects and Operations of R Programming Select the correct answer from above options

Answer 1

The correct option is (c) mute() function, which does the same thing as mutate() but then drops all non-transformed variables Easy explanation: The rename() function is designed to make this process easier.