Explanation:sqldf uses SQLite syntax. 2. ______ splits a data frame and results an array (hence the da). Hopefully you’re getting the idea here.
A. apply
B. daply
C. stats
D. All of the mentioned
Answer:A
Explanation:sqldf uses SQLite syntax. 2. ______ splits a data frame and results an array (hence the da). Hopefully you’re getting the idea here.
A. apply B. daply C. stats D. All of the mentioned
Explanation:ddply splits a data frame and returns a data frame.