Heatmap Charts
Examples
Section titled “Examples”Heatmap:

Data Structures
Section titled “Data Structures”Heatmaps can work with pivoted or unpivoted data, using 2 dimensions and one measure, or with all dimensions where there is a numeric available for the color facet. They often use two time facets, for example:
date&hour_of_dayweek&day_of_weekmonth&year

Configuration
Section titled “Configuration”There is no heatmap specific configuration, but color and tooltip controls may be relevant.