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PyPhi: A toolbox for integrated information theory

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  • William G P Mayner
  • William Marshall
  • Larissa Albantakis
  • Graham Findlay
  • Robert Marchman
  • Giulio Tononi

Abstract

Integrated information theory provides a mathematical framework to fully characterize the cause-effect structure of a physical system. Here, we introduce PyPhi, a Python software package that implements this framework for causal analysis and unfolds the full cause-effect structure of discrete dynamical systems of binary elements. The software allows users to easily study these structures, serves as an up-to-date reference implementation of the formalisms of integrated information theory, and has been applied in research on complexity, emergence, and certain biological questions. We first provide an overview of the main algorithm and demonstrate PyPhi’s functionality in the course of analyzing an example system, and then describe details of the algorithm’s design and implementation. PyPhi can be installed with Python’s package manager via the command ‘pip install pyphi’ on Linux and macOS systems equipped with Python 3.4 or higher. PyPhi is open-source and licensed under the GPLv3; the source code is hosted on GitHub at https://github.com/wmayner/pyphi. Comprehensive and continually-updated documentation is available at https://pyphi.readthedocs.io. The pyphi-users mailing list can be joined at https://groups.google.com/forum/#!forum/pyphi-users. A web-based graphical interface to the software is available at http://integratedinformationtheory.org/calculate.html.

Suggested Citation

  • William G P Mayner & William Marshall & Larissa Albantakis & Graham Findlay & Robert Marchman & Giulio Tononi, 2018. "PyPhi: A toolbox for integrated information theory," PLOS Computational Biology, Public Library of Science, vol. 14(7), pages 1-21, July.
  • Handle: RePEc:plo:pcbi00:1006343
    DOI: 10.1371/journal.pcbi.1006343
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    References listed on IDEAS

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    1. Nihat Ay & Daniel Polani, 2008. "Information Flows In Causal Networks," Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 11(01), pages 17-41.
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    Cited by:

    1. Monika Szczerbak, 2019. "Rola audytu finansowego w wykrywaniu nadużyć gospodarczych," Nowoczesne Systemy Zarządzania. Modern Management Systems, Military University of Technology, Faculty of Security, Logistics and Management, Institute of Organization and Management, issue 1, pages 201-219.

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