Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/1713#discussion_r15717240
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/api/python/PythonMLLibAPI.scala ---
@@ -456,6 +458,37 @@ class PythonMLLibAPI extends Serializable {
ALS.trainImplicit(ratings, rank, iterations, lambda, blocks, alpha)
}
+ /**
+ * Java stub for mllib Statistics.corr(X: RDD[Vector], method: String).
+ * Returns the correlation matrix serialized into a byte array
understood by deserializers in
+ * pyspark.
+ */
+ def corr(X: JavaRDD[Array[Byte]], method: String): Array[Byte] = {
+ val inputMatrix = X.rdd.map(deserializeDoubleVector(_))
--- End diff --
nit: `X.rdd.map(deserializeDoubleVector)` (`(_)` is not necessary)
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
