[SPARK-7368] add QR decomposition for RowMatrix

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.5.0
• Component/s: MLlib
• Target Version/s: 1.5.0
• Assignee: yuhao yang
• Reporter: yuhao yang
• Shepherd: Xiangrui Meng
• Created: 05/May/15 12:08
• Updated: 12/Aug/15 21:09
• Resolved: 30/Jul/15 14:49

Description

Add QR decomposition for RowMatrix.

There's a great distributed algorithm for QR decomposition, which I'm currently referring to.

Austin R. Benson, David F. Gleich, James Demmel. "Direct QR factorizations for tall-and-skinny matrices in MapReduce architectures", 2013 IEEE International Conference on Big Data

Issue Links

• relates to: SPARK-9901 User guide for RowMatrix Tall-and-skinny QR
• links to: [Github] Pull Request #5909 (hhbyyh)