Hi! I'm a long-time stata user and new to sas. I'm trying to figure out how to create a new variable based on the sum of the values of another variable. In stata, I can do this using the "egen" command. For example, gen CSI1strong = 1 if csi1>5 egen csi1strong=sum(CSI1strong), by(survey) The first line of code creates a new variable, CSI1strong, that is equal to 1 if csi1>5 The second line of code creates a new variable, csi1strong, that is equal to the sum of CSI1strong for all rows of data, by survey. How can I reproduce this in SAS? Thank you in advance for your help! Eva
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