data frames and lists in R

[@DarthAsthmatic]

Dude, I'm 30 seconds into this video and you're already 100x better than my stats instructor.

[@mohsenhs]

Thanks Tom, a nice description, very helpful

[@omnacky]

Impressive. Very nice. Let's see Paul Allen's data frame.

[@fabiuspocus1430]

Thanks a lot. Why mode() and not class()?