Altair: Declarative Visualization in Python

Altair is a declarative statistical visualization library for Python, based on Vega and Vega-Lite, and the source is available on GitHub.

With Altair, you can spend more time understanding your data and its meaning. Altair’s API is simple, friendly and consistent and built on top of the powerful Vega-Lite visualization grammar. This elegant simplicity produces beautiful and effective visualizations with a minimal amount of code.


The documentation on this site refers to the version 2.0.0rc2 release candidate, released April 12, 2018. See Installation for installation information.


Bug Reports & Questions

Altair is BSD-licensed and the source is available on GitHub. If any questions or issues come up as you use Altair, please get in touch via Git Issues or our Google Group.

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