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A package to compute recurrence lacunarity and other box-counting-based recurrence quantifiers

Project description


The RECLAC Python package provides functions to compute recurrence lacunarity as described in [braun2021] (Open Source). Its functionality is very basic at the current stage and will probably be extended in the near future. It also offers a basic implementation for the computation of recurrence plots and the box-counting dimension.


Getting started

Install from PyPi by simply typing

pip install RECLAC

in your console.


numpy >= 1.21
scipy >= 1.2.1


I am currently working on a comprehensive documentation.

Citing and reference

If you would like to use the provided tools in your research, please cite

Braun, T., Unni, V.R., Sujith, R.I. et al. Detection of dynamical regime transitions with lacunarity as a multiscale recurrence quantification measure. Nonlinear Dyn 104, 3955–3973 (2021).

or as BiBTeX-entry:

title={Detection of dynamical regime transitions with lacunarity as a multiscale recurrence quantification measure},
author={Braun, Tobias and Unni, Vishnu R and Sujith, RI and Kurths, Juergen and Marwan, Norbert},
journal={Nonlinear Dynamics},


This is program is free software and runs under MIT Licence.

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