Risk Heatmap
Two-dimensional category axes
Both axes on this chart is a category axis. This allows placing columns precisely as squares.
Data-aware bullets
Bullets inside squares are bullets. Labels inside bullets are bound to the actual values in data.
Heat rules
Heat rules allow modifying element’s properties based on its related value in data. Those are not limited to colors. Any quantifiable value can be used in a heat rule, like for instance, a radius of a bullet on this chart.
Demo source