How to switch between report on duration / occurrence / special functions?

For tasks and basic tags, ATracker supports showing duration and occurrence.

For the numeric tag, ATracker supports displaying duration and occurrence, as well as Sum, Average, and Hourly totals, depending on the tag's subtype.

For the drop-down tag, ATracker supports displaying the duration and occurrence for tasks with that tag, as well as the duration and occurrence grouped by tag code.