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IDTxl

The Information Dynamics Toolkit xl (IDTxl) is a comprehensive software package for efficient inference of networks and their node dynamics from multivariate time series data using information theory. IDTxl provides functionality to estimate the following measures:

  1. For network inference:
    • multivariate transfer entropy (TE)/Granger causality (GC)
    • multivariate mutual information (MI)
    • bivariate TE/GC
    • bivariate MI
  2. For analysis of node dynamics:
    • active information storage (AIS)
    • partial information decomposition (PID)

IDTxl implements estimators for discrete and continuous data with parallel computing engines for both GPU and CPU platforms. Written for Python3.4.3+.

To get started have a look at the wiki and the documentation. For further discussions, join IDTxl's google group.

How to cite

P. Wollstadt, J. T. Lizier, R. Vicente, C. Finn, M. Martinez-Zarzuela, P. Mediano, L. Novelli, M. Wibral (2018). IDTxl: The Information Dynamics Toolkit xl: a Python package for the efficient analysis of multivariate information dynamics in networks. ArXiv preprint: https://arxiv.org/abs/1807.10459.

Contributors

  • Patricia Wollstadt, Brain Imaging Center, MEG Unit, Goethe-University, Frankfurt, Germany
  • Michael Wibral, Campus Institute for Dynamics of Biological Networks, Georg August University, Göttingen, Germany
  • Joseph T. Lizier, Centre for Complex Systems, The University of Sydney, Sydney, Australia
  • Raul Vicente, Computational Neuroscience Lab, Institute of Computer Science, University of Tartu, Tartu, Estonia
  • Conor Finn, Centre for Complex Systems, The University of Sydney, Sydney, Australia
  • Mario Martinez-Zarzuela, Department of Signal Theory and Communications and Telematics Engineering, University of Valladolid, Valladolid, Spain
  • Leonardo Novelli, Centre for Complex Systems, The University of Sydney, Sydney, Australia
  • Pedro Mediano, Computational Neurodynamics Group, Imperial College London, London, United Kingdom

How to contribute? We are happy about any feedback on IDTxl. If you would like to contribute, please open an issue or send a pull request with your feature or improvement. Also have a look at the developer's section in the Wiki for details.

Acknowledgements

This project has been supported by funding through:

  • Universities Australia - Deutscher Akademischer Austauschdienst (German Academic Exchange Service) UA-DAAD Australia-Germany Joint Research Co-operation grant "Measuring neural information synthesis and its impairment", Wibral, Lizier, Priesemann, Wollstadt, Finn, 2016-17
  • Australian Research Council Discovery Early Career Researcher Award (DECRA) "Relating function of complex networks to structure using information theory", Lizier, 2016-19

Key References

  • Multivariate transfer entropy: Lizier & Rubinov, 2012, Preprint, Technical Report 25/2012, Max Planck Institute for Mathematics in the Sciences. Available from: http://www.mis.mpg.de/preprints/2012/preprint2012_25.pdf
  • Kraskov estimator: Kraskov et al., 2004, Phys Rev E 69, 066138
  • Nonuniform embedding: Faes et al., 2011, Phys Rev E 83, 051112
  • Faes' compensated transfer entropy: Faes et al., 2013, Entropy 15, 198-219
  • PID: Williams & Beer, 2010, arXiv preprint: http://arxiv.org/abs/1004.2515
  • PID estimators: Bertschinger et al., 2014, Entropy, 16(4); Makkeh et al., 2017, Entropy, 19(10), Makkeh et al., 2018, Entropy, 20(271)

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  • Python 95.2%
  • Cuda 2.9%
  • C 1.1%
  • Other 0.8%