l Lisa


I have a situation in which we have an ADSL for an ISE. We want to also use the same ISE data but add some Natural History population flags and new analysis parameters. Would be okay to add these population flags to a dataset called ADSLNH that contains the core variables in ADSL plus the new Natural History population flags? It would be  subject-level-dataset. So, I'm not sure if it will throw a P21 error for having 2 subject-level-datasets.


Any advice is helpful,


Forums: General Discussion

on January 12, 2023

Hi Lisa, 

It is not clear why do you need additional ADSL dataset? In ADaM model you can add any additional variables you need for analysis. So, why just adding Natural History population Flag and other variables does not work?

Kind Regards,

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