The Variables By Which to Merge Annotation Data field indicates the variables from the Input SAS Data Set by which to merge the Annotation SAS Data Set . The variables specified here must be present in both the input data set and annotation data set .If left blank , these are assumed to be the same as the annotation merge variables.All of the variables in the specified input data set are displayed in the Available Variables field.
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Clickto add the highlighted variable(s) to the Variables By Which to Merge Annotation Data field.