doc: adds at least one reference

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Washington Botelho 2018-06-14 13:44:34 -03:00
parent 826538f3a1
commit 51a89db806
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1 changed files with 2 additions and 2 deletions

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@ -410,6 +410,6 @@ author.rate resource, 3
Now the `sum` will be `6` and the `total` will be `3` because all rating will be calculated into just one rating record ignoring the `scopeable` object. The rating record is always saved on the record with `scopeable` as `nil`.
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### References
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- [Evan Miller](http://www.evanmiller.org/ranking-items-with-star-ratings.html)