Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/15435#discussion_r94616573
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala
---
@@ -1120,21 +1239,129 @@ sealed trait LogisticRegressionSummary extends
Serializable {
/** Field in "predictions" which gives the probability of each class as
a vector. */
def probabilityCol: String
+ /** Field in "predictions" which gives the prediction of each class as a
vector. */
+ def predictionCol: String
+
/** Field in "predictions" which gives the true label of each instance
(if available). */
def labelCol: String
/** Field in "predictions" which gives the features of each instance as
a vector. */
def featuresCol: String
+ /** Returns false positive rate for each label. */
+ @Since("2.1.0")
+ def falsePositiveRateByLabel: Array[Double]
+
+ /** Returns precision for each label. */
+ @Since("2.1.0")
+ def precisionByLabel: Array[Double]
+
+ /** Returns recall for each label. */
+ @Since("2.1.0")
+ def recallByLabel: Array[Double]
+
+ /**
+ * Returns f-measure for each label.
+ * @param beta the beta parameter.
+ */
+ @Since("2.1.0")
+ def fMeasureByLabel(beta: Double): Array[Double]
+
+ /** Returns f1-measure for each label. */
+ @Since("2.1.0")
+ def fMeasureByLabel: Array[Double]
+
+ /** Returns accuracy. */
+ @Since("2.1.0")
+ def accuracy: Double
+
+ /** Returns weighted false positive rate. */
+ @Since("2.1.0")
+ def weightedFalsePositiveRate: Double
+
+ /** Returns weighted averaged recall. */
+ @Since("2.1.0")
+ def weightedRecall: Double
+
+ /** Returns weighted averaged precision. */
+ @Since("2.1.0")
+ def weightedPrecision: Double
+
+ /**
+ * Returns weighted averaged f-measure.
+ * @param beta the beta parameter.
+ */
+ @Since("2.1.0")
+ def weightedFMeasure(beta: Double): Double
+
+ /** Returns weighted averaged f1-measure. */
+ @Since("2.1.0")
+ def weightedFMeasure: Double
}
/**
* :: Experimental ::
- * Logistic regression training results.
+ * Multinomial Logistic regression training results.
--- End diff --
nit: don't capitalize logistic here and elsewhere
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