org.apache.spark.mllib.linalg.distributed

Interface DistributedMatrix

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

CoordinateMatrix, IndexedRowMatrix, RowMatrix

public interface DistributedMatrix
extends scala.Serializable

Represents a distributively stored matrix backed by one or more RDDs.

Method Summary

Methods

Modifier and Type	Method and Description
long	numCols() Gets or computes the number of columns.
long	numRows() Gets or computes the number of rows.
breeze.linalg.DenseMatrix<Object>	toBreeze() Collects data and assembles a local dense breeze matrix (for test only).

Method Detail

numRows

long numRows()

Gets or computes the number of rows.

numCols

long numCols()

Gets or computes the number of columns.

toBreeze

breeze.linalg.DenseMatrix<Object> toBreeze()

Collects data and assembles a local dense breeze matrix (for test only).