1.) If I have a data.frame df <- data.frame(a = c(1, 2, 3), b = c(4, 5, 6), c(7, 8, 9))...
1a.) How do I select the c(4, 5, 6)?
1b.) How do I select the 1?
1c.) How do I select the 5?
1d.) What is df[, 3]?
Aaron Ran An AaronRanAn
AaronRanAn
/ r-interview.md
Created
February 17, 2017 01:58
— forked from peterhurford/r-interview.md
R Interview Questions