Github user taishi-oss commented on the pull request:
https://github.com/apache/spark/pull/8534#issuecomment-140677301
@mengxr Could you take a look?
Now, I'm adding Since annotation to ml.classification.
I think DecisionTreeClassifer.copy is introduced in [this
commit](https://github.com/taishi-oss/spark/commit/43c7ec6384e51105dedf3a53354b6a3732cc27b2)
(v.1.5.0).
but, "git show" command shows that DecisionTreeClassifer.copy is introduce
in v1.4.1.
(Please see above.)
Which version should I add Since annotation to this method?
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