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From Alexey Zinoviev <zaleslaw....@gmail.com>
Subject Re: Add support of distributed matrices for OLS regression. (PR #3030 / IGNITE-5846)
Date Fri, 17 Nov 2017 05:29:46 GMT
The documentation is corect, all changes are added for internals in
reality, without changes in API.


17 нояб. 2017 г. 1:35 AM пользователь "Denis Magda" <dmagda@apache.org>
написал:

> Hi Alex,
>
> Impressive, thanks for sharing this with us. Btw, do we need to tweak the
> existing OLS documentation to mention the contributed changes?
> https://apacheignite.readme.io/docs/ols-multiple-linear-regression
>
> —
> Denis
>
> > On Nov 16, 2017, at 5:55 AM, Alexey Zinoviev <zaleslaw.sin@gmail.com>
> wrote:
> >
> > Hello,
> >
> > I've added support of distributed OLS regression per
> > IGNITE-5846 [1] and would want to push these to master.
> >
> > Changes impact "ml" module, more details of portion of code can be
> > found in PR #3030 [2]. Yury Babak [3], Oleg Ignatenko[4] did review and
> > sanity
> > check.
> >
> > The main idea was to keep OLS Regression as algorithm and add support of
> > many operations on SparseDistributedMatrix and
> SparseBlockDistributedMatrix.
> >
> > To implement this functionality I added SparseBlockDistributedVector and
> > SparseDistributedVector classes. Also a few operations on distributed
> > vectors and matrices were implemented using power of affinity.
> >
> > The successful build could be found here [5]
> >
> >
> > [1]  <goog_1261495998>https://issues.apache.org/jira/browse/IGNITE-5846
> > [2]  <goog_1261495993>https://github.com/apache/ignite/pull/3030
> > [3] https://github.com/ybabak
> > [4] https://github.com/oignatenko
> > [5]
> > https://ci.ignite.apache.org/viewLog.html?buildId=945536&
> buildTypeId=Ignite20Tests_IgniteMl&tab=buildResultsDiv
> >
> > Sincerely yours,
> > Alex
>
>

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