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SAS is a statistical software package. Use this tag for any on-topic question that (a) involves SAS either as a critical part of the question or expected answer, & (b) is not just about how to use SAS.
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How to estimate the n-year Hazard Ratio from PROC PHREG
Dear SAS users in the CV community:
I am using the sample data publicly available at:
https://stats.idre.ucla.edu/wp-content/uploads/2016/02/whas500.sas7bdat
The tutorial is found here along with a … description of the data set: https://stats.idre.ucla.edu/sas/seminars/sas-survival/
lenfol: length of followup, terminated either by death or censoring. …