Github user techaddict commented on the pull request: https://github.com/apache/spark/pull/597#issuecomment-42003703 Mapping rating in case of ImplicitPref to `{r=0 --> 0`, `r>0 --> 1}`, `Rating(fields(0).toInt, fields(1).toInt, fields(2).toDouble)` to `Rating(fields(0).toInt, fields(1).toInt, if (fields(2).toDouble == 0) 0.0 else 1.0)` when ImplicitPref is `true`. This will work right ?
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