About Excluding Items from a Repeat Region
You can exclude items from a repeat region by graphically selecting them in the report using the FILTER TYPE > By Item command.  
The following restrictions apply:
You cannot filter items if the table is frozen.
You cannot exclude the following:
Items in 2-D repeat regions and subregions (you can use By Rule to filter out columns or rows in 2-D repeat regions).
Records that have comment cells and dash items.
Records that have no associated parametric attachment information.