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Calendar Heatmap Visualization

By Looker
Use the Calendar Heatmap to display a date dimension and measure and find trends over time at the Year, Month, and Week level.
Use the Calendar Heatmap to display a date dimension and measure and find trends over time at the Year, Month, and Week level.

Version

v3.0.1

Release Notes

Category

Plug-ins

Overview

Install this plug-in for free by contacting your Looker admin or visiting your in-product marketplace.

Use the Calendar Heatmap to highlight trends and anomalies over time.

The Calendar Heatmap visualizes time-series data displayed over a conventional calendar year. Individual days, weeks, and years are shaded on a light-to-dark gradient based on the numerical value provided to the visualization.

Other examples of calendar heatmaps include Github’s contributions over time visualization and this illustration in a WSJ article plotting infectious disease trends over time.

The example below shows the number of polls in which a specific political candidate’s name was included. The Calendar Heatmap visualization makes it easy to see that their name was floated most in mid-March and sparingly after, with slight surges following the next two debates in June and September.

This visualization requires one date-type dimension and one measure.

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