Parameters | Annotation Analysis | Category Variable

Category Variable
Specify a character variable containing annotation categories. This variable is often obtained from an ontology hierarchy like the Gene Ontology (GO) or from lists of pathways. Note the following:
If a row has a blank value for a variable, then that row is excluded from the analysis for that set of annotation categories.
If this variable is not in the Input SAS Data Set, then you must specify it in the Annotation SAS Data Set on the Annotation tab.
To Specify Category Variables:
The Available Variables field is populated with variables from the specified data set.
Highlight a variable from the Available Variables field.