Thank you very much for your suggestions, Ignacio! I have posted my solution here: http://stackoverflow.com/questions/29649904/save-spark-org-apache-spark-mllib-linalg-matrix-to-a-file/29671193#29671193
Best regards, Florin On Wed, Apr 15, 2015 at 5:28 PM, Ignacio Blasco <elnopin...@gmail.com> wrote: > You can turn the Matrix to an Array with .toArray and then: > 1- Write it using Scala/Java IO to the local disk of the driver > 2- parallelize it and use .saveAsTextFile > > 2015-04-15 14:16 GMT+02:00 Spico Florin <spicoflo...@gmail.com>: > >> 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 >> > >
