Explanation:rename is used to rename variables in a data frame. 4. _________ generate summary statistics of different variables in the data frame, possibly within strata
A. rename
B. summarize
C. set
D. subset
Answer:A
Explanation:rename is used to rename variables in a data frame. 4. _________ generate summary statistics of different variables in the data frame, possibly within strata
A. rename B. summarize C. set D. subset
Explanation:The dplyr package as a number of its own data types that it takes advantage of. 5. Point out the wrong statement :