Altair < 2025-2026 >

Map data columns to visual properties (e.g., .encode(x='column1', y='column2') ). Example: Simple Bar Chart

Altair allows you to transform data directly within the chart definition, such as calculating averages or sums, using mean , sum , count , etc.. altair

# Simple interactive tooltip alt.Chart(data).mark_bar().encode( x='a', y='b', tooltip=['a', 'b'] # Add tooltips on hover ).interactive() # Allow zooming/panning Use code with caution. Copied to clipboard 6. Saving Charts Map data columns to visual properties (e

Learn how to (e.g., lines and points)?