Hi All, I am new to SAS but I have been working with databases for a long time. I am struggling to understand what is the best way to work with SAS. I have variables that are dependent on time and from my understanding of database structuring is that there should be a column with the time step. Although this means that all the characteristics of the item will be duplicated many times which creates a large database? As in SAS there are Arrays (which are just a grouping of variables) this makes the database more compact but what about the runtime is SAS not more efficient in doing line by line instead of a do loop? I hope that my explanation is clear and that someone can help me in my dilemma. Thanks to all for helping out.
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