Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/18022#discussion_r117190338
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/recommendation/ALSSuite.scala ---
@@ -348,6 +349,37 @@ class ALSSuite
}
/**
+ * Train ALS using the given training set and parameters
+ * @param training training dataset
+ * @param rank rank of the matrix factorization
+ * @param maxIter max number of iterations
+ * @param regParam regularization constant
+ * @param implicitPrefs whether to use implicit preference
+ * @param numUserBlocks number of user blocks
+ * @param numItemBlocks number of item blocks
+ * @return a trained ALSModel
+ */
+ def trainALS(
--- End diff --
Why do you need a new overload?
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