Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/16699#discussion_r100922910
--- Diff: mllib/src/main/scala/org/apache/spark/ml/feature/Instance.scala
---
@@ -27,3 +27,25 @@ import org.apache.spark.ml.linalg.Vector
* @param features The vector of features for this data point.
*/
private[ml] case class Instance(label: Double, weight: Double, features:
Vector)
+
+/**
+ * Case class that represents an instance of data point with
+ * label, weight, offset and features.
+ *
+ * @param label Label for this data point.
+ * @param weight The weight of this instance.
+ * @param offset The offset used for this data point.
+ * @param features The vector of features for this data point.
+ */
+private[ml] case class OffsetInstance(label: Double, weight: Double,
offset: Double,
--- End diff --
I don't have a strong preference, but maybe calling it `GLMInstance` is
clearer?
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