Good Afternoon All, It's been a while since I've posted. I'm studying for the base sas certification and depending on who I talk to it's either very easy or impossible. I'm doing my best to gather study info from the interwebs, what sas provides seems like a lot of softballs compared to what the practice exams online look like. I came across the following and don't understand it. If you can help I'd appreciate it, any additional info regarding preparing for the certification is welcome also. Thanks, Why does the following contain 25 observations: data allobs; set sasdata.banks; capital=0; do year = 2000 to 2020 by 5; capital + ((capital+2000) * rate); output; end; Mark
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