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[SPARK-17139][ML] Add model summary for MultinomialLogisticRegression #15435

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[SPARK-17139][ML] Add model summary for MultinomialLogisticRegression #15435

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update v7
WeichenXu123 Apr 24, 2017
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fix nits
WeichenXu123 Apr 24, 2017
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WeichenXu123 May 8, 2017
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WeichenXu123 May 15, 2017
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WeichenXu123 Aug 17, 2017
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WeichenXu123 Aug 17, 2017
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WeichenXu123 Aug 18, 2017
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update mima
WeichenXu123 Aug 21, 2017
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WeichenXu123 Aug 23, 2017
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WeichenXu123 Aug 25, 2017
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WeichenXu123 committed Aug 23, 2017
commit 0ebc943ea12e88e85f2a331e3f6c729ff4ff9aa7
3 changes: 2 additions & 1 deletion mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala
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Expand Up @@ -1389,7 +1389,8 @@ sealed trait LogisticRegressionSummary extends Serializable {
}

/**
* Returns the sequence of labels in ascending order
* Returns the sequence of labels in ascending order. This order matches the order used
* in metrics which are specified as arrays over labels, e.g., truePositiveRateByLabel.
*
* Note: In most cases, it will be values {0.0, 1.0, ..., numClasses-1}, However, if the
* training set is missing a label, then all of the arrays over labels
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