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Old Faithful HeatMap

✓ Published7🌍 Public
CCurran Kelleher
Last edited Sep 27, 2019
Created on Sep 27, 2019

This interactive heatmap visualizes the Old Faithful eruption dataset, showing the relationship between eruption duration and waiting time as a grid of colored bins. The visualization uses Vega-Lite’s rect mark with binned quantitative encodings for both axes and a count aggregate for color intensity, rendered via vega-embed. Moving the mouse dynamically adjusts the number of histogram bins by re-rendering the specification, using D3’s `d3.tsv` to load the remote data and `d3.select` to listen for mousemove events. The color scheme uses a green sequential palette, with the legend positioned to the left.

AI-generated description

A visualization of the Old Faithful Dataset as a 2D HeatMap visualization using Vega-Lite.

Draws from Vega-Lite Example: Table Binned heatmap.

MIT Licensed

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