I-ve just tried the output statement in the proc freq like this proc freq data=Lib1; TABLES N_Patents Stringency Turnover GERD EPE_Exp CO2 GDP Tertiary / missprint; title 'MISSPRINT Option'; run; proc freq data=Lib1; TABLES N_Patents Stringency Turnover GERD EPE_Exp CO2 GDP Tertiary / missing; title 'MISSING Option'; run; But when trying to run the proc panel I get the same error statement as above.
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