This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
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Project Description

Variational Bayesian Mixture of Factor Analysers for dimensionality reduction and clustering.

Factor analysis (FA) is a method for dimensionality reduction, similar to principle component analysis (PCA), singular value decomposition (SVD), or independent component analysis (ICA). Applications include visualization, image compression, or feature learning. A mixture of factor analysers consists of several factor analysers, and allows both dimensionality reduction and clustering. Variational Bayesian learning of model parameters prevents overfitting compared with maximum likelihood methods such as expectation maximization (EM), and allows to learn the dimensionality of the lower dimensional subspace by automatic relevance determination (ARD). A detailed explanation of the model can be found here.

Note

The current version is still under development, and needs to be optimized for large-scale data sets. I am open for any suggestions, and happy about every bug report!

Installation

The easiest way to install vbmfa is to use PyPI:

pip install vbmfa

Alternatively, you can checkout the repository from Github:

git clone https://github.com/cangermueller/vbmfa.git

Examples

The folder examples/ contains example ipython notebooks:

  • VbFa, a single Variational Bayesian Factor Analyser
  • VbMfa, a mixture of Variational Bayesian Factors Analysers

Contact

Christof Angermueller

https://github.com/cangermueller

Release History

Release History

0.0.1

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
vbmfa-0.0.1.macosx-10.9-x86_64.tar.gz (17.9 kB) Copy SHA256 Checksum SHA256 any Dumb Binary Oct 5, 2014
vbmfa-0.0.1.tar.gz (33.2 kB) Copy SHA256 Checksum SHA256 Source Oct 5, 2014

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