> #### How to display or hide levels

> 1 | Click the down arrow button next to the data element, as shown in Figure 17‑23.

> Figure 17‑23 | Displaying a menu for a selected element in the cross tab

> 2 | Choose Show or Hide Group Levels.

> 3 | On Show or Hide Group Levels, select the levels to display. Figure 17‑24 shows an example of selecting all levels.

> Figure 17‑24 | Show or Hide Group Levels

> In the example, the time dimension has only three levels. If you want to display additional levels, such as week-of-month or day-of month, edit the definition of the time dimension in the cube builder.

> 4 | Choose OK. BIRT creates a data element for each selected level, as shown in Figure 17‑25.

> Figure 17‑25 | Cross tab displays a data element each for the year, quarter, and month levels

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