StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Write a function in R to group factor levels by frequency, then keep the 2 largest categories and po
| Author | Votes | Δ |
|---|---|---|
| Ritchie Sacramento | 3 | +0.40 |
| linog | 0 | -3.24 |
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