From: | Maxence AHLOUCHE <maxence(dot)ahlouche(at)gmail(dot)com> |
---|---|
To: | Atri Sharma <atri(dot)jiit(at)gmail(dot)com> |
Cc: | "Iyer, Rahul" <Rahul(dot)Iyer(at)emc(dot)com>, "pgsql-students(at)postgresql(dot)org" <pgsql-students(at)postgresql(dot)org>, "devel(at)madlib(dot)net" <devel(at)madlib(dot)net>, "Philip, Sujit" <Sujit(dot)Philip(at)emc(dot)com> |
Subject: | Re: GSoC project: K-medoids clustering in Madlib |
Date: | 2013-04-20 14:41:20 |
Message-ID: | CAJeaomV1mSrqwg3u3QZCju+KaNoV2omiSjVtn2zQxk8Pt1V5HA@mail.gmail.com |
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Lists: | pgsql-students |
Sure!
The k-means algorithms tries to group the points, but how can we know to
which group a point has been assigned?
What I mean is that, on the output, I would like to color the points with
the same color as the centroid they "depend" on.
And another question, which I thought could be related to the first one, is
why does the algorithms returns the objective function? What's its use?
Thanks ffor spending time for my questions :)
2013/4/20 Atri Sharma <atri(dot)jiit(at)gmail(dot)com>
> On Sat, Apr 20, 2013 at 7:31 PM, Maxence AHLOUCHE
> <maxence(dot)ahlouche(at)gmail(dot)com> wrote:
> >
> >
> >
> > 2013/4/20 Atri Sharma <atri(dot)jiit(at)gmail(dot)com>
> >>
> >> Very interesting! The results look encouraging,although this is on
> Python
> >> :)
> >>
> >> Good work!
> >>
> >> Regards,
> >>
> >> Atri
> >
> >
> > Thanks :)
> > But do you know if there is a way to know the cluster that a point has
> been
> > assigned to? Can the objective function have something to do with it? I
> > haven't understood why it was returned yet!
>
> I didnt get your question. Could you please elaborate a bit more?
>
> Regards,
>
> Atri
>
--
Maxence Ahlouche
06 06 66 97 00
93 avenue Paul DOUMER
24100 Bergerac
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