zero323 commented on issue #27241: [SPARK-30533][ML][PYSPARK] Add classes to represent Java Regressors and RegressionModels URL: https://github.com/apache/spark/pull/27241#issuecomment-575426906 > Is this more for symmetry than anything else? I don't have a strong opinion. I'd defer to @huaxingao and @zhengruifeng who have been watching this much more closely. To some extent. In general it useful to be able to distinguish between `Regressors`, `Classiffiers` and other types of `Params` (more about [here](https://issues.apache.org/jira/browse/SPARK-29212)). Additionally we cannot really get Scala parity without these.
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