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Home → Learning → Data Viz Catalogue
A heat map is a representation of the relationship between two categorical variables and a quantitative variable. The representation is in the form of a matrix, and the quantitative values are represented by color.
To create this type of chart we must link one categorical variable to one axis, and the other categorical variable to the other axis. The quantitative variable must be linked to “Color”, and in mark type, we must select “filled area”.