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Plotting in Python with Vega-Altair

Presented by Pier-Luc St-Onge on February 3, 2026

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Zoom

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  • If you experience technical problems, mention them in the Chat. An assistant will help you.

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  • If you have a question related to the course content, use the Q&A.

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  • You can also raise your hand and activate your microphone to ask a question.

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Goals

At the end of this workshop, you should be able to

  • understand the basics of the grammar of graphics
  • create Altair alt.Chart objects
  • create different types of charts
  • modify the aesthetics of the charts:
    • configuring the colors
    • editing the title and the names of the axes
  • split the figure in facets
  • save a figure as a static image or in an interactive format (HTML)

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Access to the platform

Web browser:

https://jupyter.dat203.calculquebec.cloud

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userXYZ where XYZ ∈ [001-200]

See user name list sheet

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Feedback survey

Please take a few minutes to share your thoughts on this workshop

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