Thanks, But do you know if access to Coordinated matrix elements is almost as fast as a normal matrix or it has access time similar to RDD ( relatively slow)? I am looking for some fast access sparse matrix data structure.
On Friday, February 27, 2015, Peter Rudenko <petro.rude...@gmail.com> wrote: > Yes, it's called Coordinated Matrix( > http://spark.apache.org/docs/latest/mllib-data-types.html#coordinatematrix) > you need to fill it with elemets of type MatrixEntry( (Long, Long, > Double)) > > > Thanks, > Peter Rudenko > On 2015-02-27 14:01, shahab wrote: > > Hi, > > I just wonder if there is any Sparse Matrix implementation available in > Spark, so it can be used in spark application? > > best, > /Shahab > > >