StackRating
An Elo-based rating system for Stack Overflow
Home
|
About
|
Stats and Analysis
|
Get a Badge
Answers and rating deltas for
How to group a data frame according to multiple columns in R?
Author
Votes
Δ
www
2
+3.55
DataTx
1
-3.55
Last visited: Dec 12, 2017, 4:46:38 AM