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    Answers and rating deltas for
    How to fit regression lines per group ( each group contains two different factors/columns)?
| Author | Votes | Δ | 
|---|---|---|
| xyz123 | 0 | +0.07 | 
| Karthik Arumugham | 0 | -0.07 | 
Last visited: Jun 24, 2017, 4:03:14 PM