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    Answers and rating deltas for
    How to convert a 3 columns data to a co-existance matrix in R?
| Author | Votes | Δ | 
|---|---|---|
| A5C1D2H2I1M1N2O1R2T1 | 1 | +0.33 | 
| Upendra Shah | 0 | -2.63 | 
Last visited: Nov 10, 2017, 1:46:31 AM