Select General on the Series Group dialog box to change the name and group expressions for the specified group of series.
Type a name for the item. The name must be unique within the report. By default, a general name, such as Chart1_SeriesGroup1, is assigned.
Select the field or expression to show along the category axis. By default, this value is the same as the group field or expression that is added when you add a field to the category field drop-zone.
Add a new group to the chart data region.
Delete the selected group.
Select the field or expression on which to group the data. Click the Expression (fx) button to edit the expression. By default, this value is the same as the group field or expression that is added when you add a field to the category field drop zone.
Type the next field or expression on which to group the data. Click the Expression (fx) button to edit the expression.
