Here is my conversation about the same issue with regression methods:
https://issues.apache.org/jira/browse/SPARK-1859
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Can anybody explain WHY:
1) LabeledPoint is in regression/LabeledPoint.scala? This cause import
regression modules from classification modules.
2) Vector and SparseVector are in linalg? OK. GeneralizedLinearModel is in
regression/GeneralizedLinearAlgorithm.scala? Really?
3) LinearModel is in