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Constructing and optimizing low-rank second-order maximum noise entropy (MNE) models
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Low-rank second-order maximum noise entropy (MNE) modeling

Low-rank second-order MNE models can be constructed and optimized using the mner python package. Second-order MNE models have conditional probability distribution of the form

     P(y=1|s) = 1/[1 + exp(-a - hTs - sTJs)]

where y is a reponse in the domain [0, 1], s is a D-dimensional feature vector (independent variables), and the unknown weights are the scalar a, vector h, and matrix J. Low-rank second-order MNE models decrease the number of weights in the model by substituting J with the bilinear factorization J = UVT where U and V are D by r matrices of maximum rank r.


After downloading and unzipping the source code, find the directory containing the file. Then enter the command:

python install

into your terminal. If setuptools is installed, this should also install the dependencies. If not, the dependencies are:

numpy >= 1.7.1
scipy >= 0.11
theano >= 0.8.2

and the git repositories located at

Creating and solving problems

See the doc strings in the source code for more information about how to construct and solve low-rank second-order MNE problems.

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