StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Answers and rating deltas for

Using `:=` in data.table to sum the values of two columns in R, ignoring NAs

Author Votes Δ
mnel 7 +1.97
IRTFM 6 -0.54
Last visited: Sep 14, 2014, 5:07:29 AM