There is also keras https://github.com/fchollet/keras and lasagne https://github.com/Lasagne/Lasagne
I think sklearn-theano wraps some of lasagne?

On 05/07/2015 10:34 AM, Michael Eickenberg wrote:
\begin{plug}
And in a similar vein there is also http://sklearn-theano.github.io for those who want to leverage existing, pre-trained networks as feature extractors for their scikit-learn pipeline, which can, e.g. be followed by a simple logistic regression to fine-tune to new types of objects.
\end{plug}

Michael


On Thu, May 7, 2015 at 3:45 PM, Boyuan Deng <bryanhsud...@gmail.com <mailto:bryanhsud...@gmail.com>> wrote:

    FYI, in April a project called *"***scikit-neuralnetwork" came
    into existence. It's a library wrapping Pylearn2 and providing a
    scikit-learn compatible interface.
    https://github.com/aigamedev/scikit-neuralnetwork

    As others have stated, there are already some nice Python neural
    network libraries and we don't really need to reinvent a wheel.
    Pylean2 is mostly research-oriented and provides building blocks.
    I think sknn is able to fill that gap and enable sklearn-like
    experience with neural networks.

    Personally I hope in the future our community can officially help
    with sknn and feature it as an "add-on" to sklearn (because
    Pylearn2 may never go into stable release). In that way sklearn
    can definitely be the dominating Python machine learning library.


    On 05/07/2015 07:10 AM, Joel Nothman wrote:
    What Sebastian and Ronnie said. Plus: there are multiple
    off-the-shelf neural net pull requests in the process of review,
    notably those by Issam Laradji for GSoC 2014. Extreme Learning
    Machines and Multilayer Perceptrons should be merged Real Soon Now.


    On 7 May 2015 at 14:58, Ronnie Ghose <ronnie.gh...@gmail.com
    <mailto:ronnie.gh...@gmail.com>> wrote:

        neural nets are already well supported in other python
        libraries and don't fit the current transformer model that
        scikit-learn uses

        On Thu, May 7, 2015 at 12:55 AM, Sebastian Raschka
        <se.rasc...@gmail.com <mailto:se.rasc...@gmail.com>> wrote:

            I am not one of the core developers, just a typical user,
            but although I think that neural nets would be a nice
            addition, I have to admit that I wouldn't count them as
            top priority. I think that in applications, neural
            networks require far more flexibility for tweaking than
            the "classic" off-the-shelve learning algorithms
            currently implemented in scikit-learn. I think that it
            really requires a lot of planning to implement them in a
            way that allows a user certain flexibility. To me, neural
            nets are more of an "research tool" in contrast to the
            currently implemented algos in scikit-learn. I really
            would like to see some way of implementing frameworks for
            neural networks in some useful way in scikit-learn, but I
            can understand that it would really require a different
            API, a lot of planning, and a lot of work. Also, there
            are many attempts to implement neural nets already, like
            pylearn2, lasagne, and all the other theano wrappers




            > On May 6, 2015, at 11:15 PM, 赵孽
            <snakehunt2...@gmail.com
            <mailto:snakehunt2...@gmail.com>> wrote:
            >
            > I used to seeking neural network algorithms in sklearn,
            but I just found a RBF in it.
            > There are plenty of Neural Network algorithms, why dose
            we only support RBF which is not even a typical neural
            network ?
            > I thought the neural networks should be the largest
            family amount sklearn algoritms, but it is far smaller
            than embedings, far smaller than SVMs.
            >
            
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