Hello! The result of correlation in Spark MLLib is a of type org.apache.spark.mllib.linalg.Matrix. (see http://spark.apache.org/docs/1.2.1/mllib-statistics.html#correlations)
val data: RDD[Vector] = ... val correlMatrix: Matrix = Statistics.corr(data, "pearson") I would like to save the result into a file. How can I do this? Thanks, Florin