[SPARK-14386][ML] Changed spark.ml ensemble trees methods to return concrete types #12158
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@sethah Since you've been working on trees, would you mind taking a look at this? Thanks! |
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Test build #54901 has finished for PR 12158 at commit
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This LGTM. |
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Thanks! I'll merge with master given your LGTM |
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What changes were proposed in this pull request?
In spark.ml, GBT and RandomForest expose the trait DecisionTreeModel in the trees method, but they should not since it is a private trait (and not ready to be made public). It will also be more useful to users if we return the concrete types.
This PR: return concrete types
The MIMA checks appear to be OK with this change.
How was this patch tested?
Existing unit tests