Speaking on behalf of the poster. These macros, did not come from a dataset, so the question cannot be avoided, as the macros definitions come from SAS GLM select outputs:
https://support.sas.com/documentation/cdl/en/statug/63347/HTML/default/viewer.htm#statug_glmselect_sect022.htm
I don't know the answer to poster's question, but I do think the question is an important one that begs to be addressed within the framework of the poster's question.
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