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https://issues.apache.org/jira/browse/MAHOUT-376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12986183#action_12986183
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Dmitriy Lyubimov commented on MAHOUT-376:
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yes. current patch references CDH. It's either 0.21 or CDH but since we use CDH
in production, i retained CDH reference. We will have to change it to a
concrete 0.21 reference. My best hope is that there's going to be another
release of 0.21 or later which Hadoop group would more or less assert as a
stable, at which point Mahout could switch dependencies. It looks like it will
indeed require some revamping as there's a number of tests that is currently
failing with that switch. Unless it is CDH2b2.
> Implement Map-reduce version of stochastic SVD
> ----------------------------------------------
>
> Key: MAHOUT-376
> URL: https://issues.apache.org/jira/browse/MAHOUT-376
> Project: Mahout
> Issue Type: Improvement
> Components: Math
> Reporter: Ted Dunning
> Assignee: Ted Dunning
> Fix For: 0.5
>
> Attachments: MAHOUT-376.patch, Modified stochastic svd algorithm for
> mapreduce.pdf, QR decomposition for Map.pdf, QR decomposition for Map.pdf, QR
> decomposition for Map.pdf, sd-bib.bib, sd.pdf, sd.pdf, sd.pdf, sd.pdf,
> sd.tex, sd.tex, sd.tex, sd.tex, SSVD working notes.pdf, SSVD working
> notes.pdf, SSVD working notes.pdf, SSVD working notes.pdf, SSVD working
> notes.pdf, ssvd-CDH3-or-0.21.patch.gz, ssvd-CDH3-or-0.21.patch.gz,
> ssvd-CDH3-or-0.21.patch.gz, ssvd-CDH3-or-0.21.patch.gz,
> ssvd-CDH3-or-0.21.patch.gz, ssvd-CDH3-or-0.21.patch.gz,
> ssvd-CDH3-or-0.21.patch.gz, ssvd-CDH3-or-0.21.patch.gz,
> ssvd-CDH3-or-0.21.patch.gz, ssvd-m1.patch.gz, ssvd-m2.patch.gz,
> ssvd-m3.patch.gz, Stochastic SVD using eigensolver trick.pdf
>
>
> See attached pdf for outline of proposed method.
> All comments are welcome.
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