HP Intelligent Management Center Standard Software Platform - Manual (Page 245)

With top N groups, you are instructing the program to display those
groups that have the highest summary values (Top N). •
• With bottom N groups, you are instructing the program to display those
groups that have the lowest summary values (Bottom N).
2.
Click the Group Sort Expert button on Expert Tools toolbar.
The Group Sort Expert appears with a tab for your group.
Note:
If you have multiple groups, the program will display a tab for each of the
groups.
3. Choose Top N or Bottom N from the first drop-down list.
4. Choose the summary that you want to base your selection on from the
"based on" drop-down list on the right.
The "based on" drop-down list on the right is for those cases in which you
have multiple summaries within a single group section. For example, in
an orders report, you might sum and average the orders for each customer
and then display both the sum and the average in the same group section.
Crystal Reports 2008 SP3 User's Guide 245
10 Sorting, Grouping, and Totaling
Summarizing grouped data