Github user dorx commented on a diff in the pull request:
https://github.com/apache/spark/pull/1713#discussion_r15709151
--- 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] = {
--- End diff --
This was designed to match R's method name. R was a good candidate here
since it also allows you to pass in the method name as a string after the input
arrays/matrix.
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