The reason this is happening is because when you select *, you are telling sas you want to include everything from both the tables, and as year and season exists on both tables you can't have two variables with the same name. In order to get rid of it, you would need to tell SAS which of the two tables you want to pull year and season from.
Registration is open! SAS is returning to Vegas for an AI and analytics experience like no other! Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. Register for just $495 by 12/31/2023.
If you are interested in speaking, there is still time to submit a session idea. More details are posted on the website.
Learn the difference between classical and Bayesian statistical approaches and see a few PROC examples to perform Bayesian analysis in this video.
Find more tutorials on the SAS Users YouTube channel.