StackRating
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    Answers and rating deltas for
    How t calculate the number of unique values among multiple columns?
| Author | Votes | Δ | 
|---|---|---|
| Ramesh Maharjan | 3 | +2.18 | 
| philantrovert | 0 | -2.18 | 
Last visited: Sep 11, 2018, 10:08:56 PM