Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/2995#discussion_r19641400
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/api/python/PythonMLLibAPI.scala ---
@@ -260,6 +253,21 @@ class PythonMLLibAPI extends Serializable {
}
/**
+ * A Wrapper of MatrixFactorizationModel to provide helpfer method for
Python
+ */
+ private[python] class MatrixFactorizationModelWrapper(model:
MatrixFactorizationModel)
+ extends MatrixFactorizationModel(model.rank, model.userFeatures,
model.productFeatures) {
+
+ def predict(usersProducts: JavaRDD[Array[Any]]): RDD[Rating] =
--- End diff --
`usersProducts` -> `'userAndProducts`
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