Select a beat of interest (see beat map resources below), either one crime category or two categories for comparison, then hit Submit!
The crime categories are organized hierarchically. For example, the crime category
The crime category system is described in more detail in this
After specifying the beat and crime types of interest and submitting your query, you'll be presented with a plot showing (for either one or two crime categories) the monthly number of incidents of that crime type in the selected beat, as well as the beat average across all Oakland beats.