StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Why are empty levels in my factor tabulated after I assign NAs to missing values?
| Author | Votes | Δ | 
|---|---|---|
| Oliver Baumann | 3 | 0.00 | 
Last visited: Jan 23, 2019, 3:02:28 PM