Can you use MVAR/NMVAR instead of DYNAMIC as a workaround?
According to Solved: Re: Default values for MVAR variables? - SAS Support Communities you can set default values for MVAR/NMVAR (only Viya, does not work in 9.4).
Learn how use the CAT functions in SAS to join values from multiple variables into a single value.
Find more tutorials on the SAS Users YouTube channel.
Ready to level-up your skills? Choose your own adventure.