Mesa: Agent-based modeling in Python 3+

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Mesa is an Apache2 licensed agent-based modeling (or ABM) framework in Python.

It allows users to quickly create agent-based models using built-in core components (such as spatial grids and agent schedulers) or customized implementations; visualize them using a browser-based interface; and analyze their results using Python’s data analysis tools. Its goal is to be the Python 3-based counterpart to NetLogo, Repast, or MASON.

A screenshot of the Schelling Model in Mesa

Above: A Mesa implementation of the Schelling segregation model, being visualized in a browser window and analyzed in an IPython notebook.

Features

  • Modular components
  • Browser-based visualization
  • Built-in tools for analysis

Using Mesa

Getting started quickly:

$ pip install mesa

To launch an example model, open any of the directories in the examples folder and launch the run.py file there, e.g.:

schelling $ python run.py

For more help on using Mesa, check out the following resources:

Contributing back to Mesa

If you run into an issue, please file a ticket for us to discuss. If possible, follow up with a pull request.

If you would like to add a feature, please reach out via ticket or the email list for discussion. A feature is most likely to be added if you build it!

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