MULTI-SELECTION WIDGET FOR SELECTING MULTIPLE TIME PERIODS AT MULTIPLE LEVELS WITHIN A TIME DIMENSION HIERARCHY

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing analytical information. The methods, systems, and apparatus include actions of providing code for a multi-selection widget. The widget includes multiple user-selectable controls aligned on a grid. The multiple user-selectable controls include a first set of one or more controls that are each associated with a different instance of a first level reporting period. The multiple user-selectable controls further include a second set of two or more controls that are each associated with a different instance of a second level reporting period that are shorter than the instances of the first level reporting period. The actions further include receiving a user selection of at least one control of the first set and at least one control of the second set and providing analytical information based on the user selection.