StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    How to group subarrays using values from two columns then sum a third column's values?
| Author | Votes | Δ | 
|---|---|---|
| mickmackusa | 2 | +2.33 | 
| Angel Politis | 0 | -2.33 | 
Last visited: May 13, 2018, 4:12:40 PM