[SPARK-13927][MLLIB] add row/column iterator to local matrices #11757
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Test build #53293 has finished for PR 11757 at commit
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Test build #53291 has finished for PR 11757 at commit
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LGTM. Merged into master. Thanks. |
roygao94
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Mar 22, 2016
## What changes were proposed in this pull request? Add row/column iterator to local matrices to simplify tasks like BlockMatrix => RowMatrix conversion. It handles dense and sparse matrices properly. ## How was this patch tested? Unit tests on sparse and dense matrix. cc: dbtsai Author: Xiangrui Meng <[email protected]> Closes apache#11757 from mengxr/SPARK-13927.
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What changes were proposed in this pull request?
Add row/column iterator to local matrices to simplify tasks like BlockMatrix => RowMatrix conversion. It handles dense and sparse matrices properly.
How was this patch tested?
Unit tests on sparse and dense matrix.
cc: @dbtsai