[GitHub] spark pull request #15435: [SPARK-17139][ML] Add model summary for Multinomi...

[yanboliang <gi...@git.apache.org>]

Github user yanboliang commented on a diff in the pull request:

    https://github.com/apache/spark/pull/15435#discussion_r114816222
  
    --- Diff: mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala ---
    @@ -1449,6 +1513,107 @@ class BinaryLogisticRegressionSummary private[classification] (
       }
     }
     
    +sealed trait BinaryLogisticRegressionTrainingSummary extends BinaryLogisticRegressionSummary
    +  with LogisticRegressionTrainingSummary
    +
    +/**
    + * :: Experimental ::
    + * Multiclass logistic regression training results.
    + *
    + * @param predictions dataframe output by the model's `transform` method.
    + * @param probabilityCol field in "predictions" which gives the probability of
    + *                       each class as a vector.
    + * @param predictionCol field in "predictions" which gives the prediction for a data instance as a
    + *                      double.
    + * @param labelCol field in "predictions" which gives the true label of each instance.
    + * @param featuresCol field in "predictions" which gives the features of each instance as a vector.
    + * @param objectiveHistory objective function (scaled loss + regularization) at each iteration.
    + */
    +@Experimental
    +@Since("2.2.0")
    --- End diff --
    
    Remove ```Experimental``` and ```Since``` tag for private class.


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