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https://issues.apache.org/jira/browse/MAHOUT-228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12800087#action_12800087
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Jake Mannix commented on MAHOUT-228:
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I think I just drove myself nearly insane: I was creating a patch for
MAHOUT-206, but I had already merged in Ted's patch here, and then trying to
test apply the patch over to a fresh trunk checkout, it couldn't find these
classes, so I went hunting thoughout all of SVN history, trying to find it, but
they had "vanished". They were here just fine in my local git-repo, but
somehow there was no log of them anywhere, even when I started digging through
older revisions on svn.apache.org... gone!
Heh. Good side-effect: I have a patch which updates this patch. Of course,
it's not useful until this is committed. What more is needed on this, Ted?
> Need sequential logistic regression implementation using SGD techniques
> -----------------------------------------------------------------------
>
> Key: MAHOUT-228
> URL: https://issues.apache.org/jira/browse/MAHOUT-228
> Project: Mahout
> Issue Type: New Feature
> Components: Classification
> Reporter: Ted Dunning
> Fix For: 0.3
>
> Attachments: logP.csv, MAHOUT-228-3.patch, r.csv, sgd-derivation.pdf,
> sgd-derivation.tex, sgd.csv
>
>
> Stochastic gradient descent (SGD) is often fast enough for highly scalable
> learning (see Vowpal Wabbit, http://hunch.net/~vw/).
> I often need to have a logistic regression in Java as well, so that is a
> reasonable place to start.
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