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From Matei Zaharia <>
Subject Re: how to contribute
Date Wed, 23 Oct 2013 20:13:11 GMT
Hi Guillaume,

Just sending the pull request is fine, but if you'd like to tell people what you're working
up before you post it, this is a good list. You can also open an issue on our JIRA (
to say you're working on something. In any case, we appreciate your interest in contributing!


On Oct 23, 2013, at 12:32 PM, Guillaume Pitel (eXenSa) <>

> Hi,
> I would also like to give a hand in the development of Spark, and more especially on
the Mllib subproject. There are plenty of things we could port from other similar projects
(mahout, graphlab, scikit-learn), but I'm pretty sure someone has already thought about all
of this. 
> As a starting point I was thinking about implementing some evaluation methods for recommender
systems (RMSE,NDCG or more simply hit rate@k and precision@k).  
> I suspect there is someone I should contact before writing my stuff and submitting a
pull request ? 
> Guillaume Pitel - eXenSa 
> Josh Rosen <> a écrit :
>> Check out the replies in this thread:
>> On Wed, Oct 23, 2013 at 1:21 AM, 周杰 <> wrote:
>>> Hi, I want to know how to contribute to spark

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