StackRating

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

R: How to combine rows of a data frame with the same id and take the newest non-NA value?

Author Votes Δ
Scarabee 4 +3.62
akrun 0 -0.45
Last visited: Jun 24, 2017, 4:03:14 PM