data np_summary_update; set pg1.np_summary; keep Reg ParkName DayVisits OtherLodging Acres SqMiles Camping; SqMiles=Acres*.0015625; Camping=sum(OtherCamping,TentCampers, RVCampers,BackcountryCampers); format SqMiles comma6. Camping comma10.; run; data np_summary_update; set pg1.np_summary; keep SqMiles Camping Reg ParkName DayVisits OtherLodging Acres ; *Add assignment statements; SqMiles=Acres *.0015625; Camping =sum(OtherCamping,TentCampers,RVCampers,BackcountryCampers); format SqMiles comma. Camping comma. run;
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