I am wondering how to replicate what I currently do in Excel using Solver, in SAS using Proc Optmodel. The example with sample data is attached. There are a number of columns with formulas that reference previous columns and also rows within the same column. The final derived value/column is then compared against an actual value/column to come up with the difference/error, which I would like to minimise by changing 3 other values used in the cell formulas. Would greatly appreciate your help on this. Thank you in advance!
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