Hi...I'm also dealing with the same questions.. So I'll post to ussufull approaches: 1) In SAS/STAT, use data statement: https://www.lexjansen.com/wuss/2004/posters/c_post_the_sas_calculations_.pdf 2) In SAS/ETS, use PROC EXPAND https://support.sas.com/kb/24/990.html
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