The following steps use a calendar heat map visual, such as the one described in
Calendar heat maps, which is built on the dataset SFPD Incidents.
Start a new dashboard by clicking New Dashboard.
In the Dashboard Designer, open SFPD Incidents -
Calendar Heat Map, built according to the instructions in Calendar heat
maps. Ensure that you are using the SFPD Incidents dataset.
The visual appears in the dashboard.
To edit the visual, click the Pencil icon in the top right
corner of the visual.
Under Dimensions, select pddistrict and add it
to the Filters shelf. Repeat the action with
category and date.