#### How to change chart preview preferences

1. Choose Window->Preferences.
2. Expand the Report Design list item, then choose Chart.
Preferences--Chart appears as shown in Figure 15-5.

Figure 15-5 Chart page of Preferences
3. To have the chart builder use randomly selected data in the chart preview window, deselect Enable Live Preview.
4. To set the number of rows that Data Preview displays, type a value in the field.
5. Choose Finish.

Now you understand how to set up and manipulate the data that you use in a chart. The next chapter describes how to customize the appearance of a chart.