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pyGPs is a library containing an object-oriented python implementation for Gaussian Process (GP) regression and classification.
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Marion Neumann [marion dot neumann at uni-bonn dot de]
Daniel Marthaler [dan dot marthaler at gmail dot com]
Shan Huang [schan dot huang at gmail dot com]
Kristian Kersting [kristian dot kersting at cs dot tu-dortmund dot de]

This file is part of pyGPs.
The software package is released under the BSD 2-Clause (FreeBSD) License.

Copyright (c) by
Marion Neumann, Daniel Marthaler, Shan Huang & Kristian Kersting, 18/02/2014

pyGPs is a library containing code for Gaussian Process (GP) Regression and Classification.

Here is the online documentation: ONLINE documentation.

pyGPs is an object-oriented implementation of GPs. Its functionality follows roughly the gpml matlab implementation by Carl Edward Rasmussen and Hannes Nickisch (Copyright (c) by Carl Edward Rasmussen and Hannes Nickisch, 2013-01-21).

Standard GP regression and (binary) classification as well as FITC (sparse GPs) inference is implemented. For a list of implemented covariance, mean, likelihood, and inference functions see list_of_functions.txt. The current implementation is optimized and tested, however, the work on this library is still in progress. We appreciate any feedback.

A comprehensive introduction to functionalities and demonstrations can be found in the doc folder; just open /doc/build/html/index.html in your browser to get to the html documentation of the whole package.

Further, pyGPs includes implementations of

  • implemented in python by Roland Memisevic 2008, following minimize.m which is copyright (C) 1999 - 2006, Carl Edward Rasmussen
  • (Copyright (c) Ian T Nabney (1996-2001))
  • (Copyright (c) by Hannes Nickisch 2010-01-10.)

Installing pyGPs

Download the archive and extract it to any local directory.

You can either add the local directory to your PYTHONPATH:

export PYTHONPATH=$PYTHONPATH:/path/to/local/directory/../parent_folder_of_pyGPs

or install the package using

python install

or install via pip::

pip install pyGPs 


  • python 2.6 or 2.7
  • scipy (v0.13.0 or later), numpy, and matplotlib: open-source packages for scientific computing using the Python programming language.


The following persons helped to improve this software: Roman Garnett, Maciej Kurek, Hannes Nickisch, Zhao Xu, and Alejandro Molina.

This work is partly supported by the Fraunhofer ATTRACT fellowship STREAM.

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