thanks reza! On Tue, Oct 14, 2014 at 5:02 PM, Reza Zadeh <r...@databricks.com> wrote:
> Hello, > > CoordinateMatrix is in its infancy, and right now is only a placeholder. > > To get/set the value at (i,j), you should map the entries rdd using the > usual rdd map operation, and change the relevant entries. > > To get the values on a specific row, you can call toIndexedRowMatrix(), > which returns a RowMatrix > <https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/IndexedRowMatrix.scala> > with indices. > > Best, > Reza > > > On Tue, Oct 14, 2014 at 1:18 PM, ll <duy.huynh....@gmail.com> wrote: > >> after creating a coordinate matrix from my rdd[matrixentry]... >> >> 1. how can i get/query the value at coordiate (i, j)? >> >> 2. how can i set/update the value at coordiate (i, j)? >> >> 3. how can i get all the values on a specific row i, ideally as a vector? >> >> thanks! >> >> >> >> >> -- >> View this message in context: >> http://apache-spark-user-list.1001560.n3.nabble.com/mllib-CoordinateMatrix-tp16412.html >> Sent from the Apache Spark User List mailing list archive at Nabble.com. >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@spark.apache.org >> For additional commands, e-mail: user-h...@spark.apache.org >> >> >
