Hi I am using proc sql method for percentage calculation to generate table. First column group A and second column with group B and third column with total of A and B. The following error comes up could you please help how to solve this issue. Proc sql; Create table bytra as select 100*round(pt1/ys,0.01) as bytrapct, 100*round(pt2/ys,0.01) as bytrapct, 100*round(pt1/123, 0.01) as bytrapct, From file1; Quit; Invalid or missing arguments to the round function have caused the function to return a missing value. Many thanks for all the help.
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