Parameters | Workflows | Exon (Probeset) ID Variable

Exon (Probeset) ID Variable
Specify a variable whose values indicate exons within transcript clusters. It must uniquely define rows within a transcript cluster. For Affymetrix data, this variable is usually probeset_id.
Important: If this variable is not in the Input SAS Data Set, then you must specify an Exon Annotation SAS Data Set on the Exon Anno tab that does contain this variable.
To Specify an Exon (Probeset) ID Variable:
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The Available Variables field is populated with variables from the specified data set.
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Left-click a variable from the Available Variables field.
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Click to add the selected variable to the Exon (Probeset) ID Variable field.