Hi, I am running a logistic regression model from an excel dataset, where each patient has multiple rows with information, so the Patient, Cancer, and Gender column are always the same, but the therapy column has different values. Like this example below: Patient Cancer Gender Therapy 1 Y F 234 1 Y F 234 1 Y F 555 2 N M 444 2 N M 777 I'm trying to run a logistic regression where it doesn't count the multiple observations and only counts Patient 1 as 1 observation. It's been messing with my numbers and I'm not sure how to fix it. This is how I usually code in proc logistic: Proc logistic data=Data; class Gender (ref="M") /param=ref; model Disease (ref="N")= gender; Run; Thank you!!
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