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From DB Tsai <dbt...@dbtsai.com>
Subject Re: Ability to offer initial coefficients in ml.LogisticRegression
Date Thu, 22 Oct 2015 17:36:24 GMT
There is a JIRA for this. I know Holden is interested in this.

On Thursday, October 22, 2015, YiZhi Liu <javelinjs@gmail.com> wrote:

> Would someone mind giving some hint?
>
> 2015-10-20 15:34 GMT+08:00 YiZhi Liu <javelinjs@gmail.com <javascript:;>>:
> > Hi all,
> >
> > I noticed that in ml.classification.LogisticRegression, users are not
> > allowed to set initial coefficients, while it is supported in
> > mllib.classification.LogisticRegressionWithSGD.
> >
> > Sometimes we know specific coefficients are close to the final optima.
> > e.g., we usually pick yesterday's output model as init coefficients
> > since the data distribution between two days' training sample
> > shouldn't change much.
> >
> > Is there any concern for not supporting this feature?
> >
> > --
> > Yizhi Liu
> > Senior Software Engineer / Data Mining
> > www.mvad.com, Shanghai, China
>
>
>
> --
> Yizhi Liu
> Senior Software Engineer / Data Mining
> www.mvad.com, Shanghai, China
>
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-- 
- DB

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