A review of data.table (1.10.4-3)

I've also grown to love it

I was full data.frame and dplyr so it was hard to get used to the syntax at first, but things like this made my day.

https://stackoverflow.com/questions/19693328/r-how-to-expand-a-row-containing-a-list-to-several-rows-one-for-each-list-m

I really enjoy reading the documentation, awesome F.A.Q and extensive help available everywhere. Also, working in corporate environments where installing libraries can be the horror is a life saver its lack of dependencies.