StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    I want to search specific observations in a data frame and record them in an empty matrix. But, the
| Author | Votes | Δ | 
|---|---|---|
| Robert Davy | 0 | +0.02 | 
| Rui Barradas | 0 | -0.00 | 
Last visited: Feb 14, 2018, 7:40:22 AM