I have a proc reg that I run in EG. In that proc reg, I use a BY statement to generate coefficient estimates that are used to score additional data. That proc reg runs very quickly either in EM (in a code node) or EG. I want to replicate that functionality in EM so I can compare that model to other models in EM. When I try and replicate that process using Start Groups & End Groups, the amount of time required to loop through my Stratas is prohibitive (read as ridiculously slowwwww). Is there another way to run by processing in EM? Thanks, Jeff
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