For the Gene Model Summary Process:

Specify the variable indicating the chromosome. Its values must exactly match those in the gene model table as defined in the track setting file on the Gene Model tab. You can leave this blank on the Anno2 tab and merge a chromosome variable from the Annotation SAS Data Set.

To Specify the Chromosome Variable:

Specify an Input SAS Data Set, Annotation File, or Annotation SAS Data Set (depending on the tab).

The Available Variables field is automatically populated with variables from the specified data set.

Left-click a variable from the Available Variables field.

Click to add the selected variable to the Chromosome field.