Heatmap Chart

Heatmap Chart

Visualise intensity across a two-dimensional grid — perfect for activity calendars, correlation matrices, and schedule heat maps.

Activity Calendar

Hour-by-day activity heatmap, similar to GitHub contribution graphs.

Correlation Matrix

Pearson correlation between numeric features.

API Reference

HeatmapChart and Heatmap series parameters.

Prop Type Default Description
XKey string required Property for the X-axis category.
YKey string required Property for the Y-axis category.
ValueKey string required Numeric property that drives cell colour intensity.
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