Dear Patrick,
there is an almost finished pull request for multilayer perceptrons from
last years GSoC by Issam Laradji:
https://github.com/scikit-learn/scikit-learn/pull/3204
Michael
On Sun, Mar 15, 2015 at 8:57 PM, Patrick Urbanke <
patrick-axel.urba...@wiwi.uni-goettingen.de> wrote:
> Hello,
>
>
> I'm writing, because I would like to contribute a multilayer perceptron
> module to scikit-learn. On your website it says that I should contact
> you to avoid duplicating work, so here I am.
>
> I'm a research associate and PhD candidate at the University of
> Göttingen, Germany. All of my research is related to machine learning
> and I often use scikit-learn to benchmark my own algorithms. I also use
> scikit-learn for teaching, so thank you for all for your great work.
>
> I've noticed that scikit-learn still lacks a multilayer perceptron.
> Since this is a very popular algorithm, I've decided that it would be a
> good idea to have one of my students develop such a module for his
> Bachelor's thesis under my supervision. He is very talented and I have
> no doubt that he can do it. Also, he can build on some code I have have
> already written.
>
> Here are the functionalities we would implement:
> - Classifier and regressor
> - Trained using SGD with minibatch updating
> - One hidden layer
> - Different activation functions (sigmoid, tanh, Gaussian RBM,
> multiquadric RBM, linear) and the ability to mix them (so you could have
> a neural network with 5 sigmoid functions, 10 Gaussian RBM and 5
> multiquadric RBM)
> - L2 regularization
>
> Nice to have:
> - Support for scipy sparse matrices
>
> We would develop the main functionalities in C++ and then write an
> interface using Cython. Obviously, we would adhere to the coding
> guidelines
> (http://scikit-learn.org/stable/developers/index.html#coding-guidelines).
>
> Anything else we should consider?
>
>
> Greetings,
> Patrick Urbanke
>
>
>
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conversation now. http://goparallel.sourceforge.net/
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