Crystal Reports for Rational Application Developer Designer Guide
Chart group types
Each combination of chart type, subtype, and chart group type has a different set of required fields. A subset of the following chart group types apply to each chart type:
For each record
On Change of
For all records
Once you have defined your chart type, subtype, and chart group type, you must add data to one or more of the following values:
Category
Data fields
Series
Label field
Note: Not all of the items are available for every chart type.