On Tue, Sep 16, 2014 at 12:43:49PM +0200, Anders Aagaard wrote:
> I just had a look at this, and the documentation on http://scikit-learn.org/
> stable/modules/generated/sklearn.linear_model.LogisticRegression.html states y
> should be "y : array-like, shape = [n_samples]",

That's a logistic regression. The discussion below is about an ordinary
least square (class LinearRegression).

G

> On Mon, Sep 8, 2014 at 9:59 AM, Giuseppe Marco Randazzo <[email protected]>
> wrote:

>     Hello, 

>     look in wilkipedia. There is the general algorithm to estimate the beta
>     coefficient in a simple linear regression trough the Ordinary Least
>     Squares. All that you need is in the page:

>     y = X\beta + \varepsilon, \,

>     Then...

>     \hat\beta = (X^TX)^{-1}X^Ty\ .


>     Marco


>     On 08 Sep 2014, at 09:54, Philipp Singer <[email protected]> wrote:


>         Is there a description about this somewhere? I can’t find it in the
>         docu.

>         Thanks!

>         Am 05.09.2014 um 18:40 schrieb Flavio Vinicius <[email protected]>:


>             I the case of LinearRegression independent models are being fit 
> for
>             each response. But this is not the case for every multi-response
>             estimator. Afaik, the multi response regression forests in sklearn
>             will consider the correlation between features.
-- 
    Gael Varoquaux
    Researcher, INRIA Parietal
    Laboratoire de Neuro-Imagerie Assistee par Ordinateur
    NeuroSpin/CEA Saclay , Bat 145, 91191 Gif-sur-Yvette France
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