Solve 5ans 6 by using SAS

Example The following raw data contain information about U.S, national parks: name, state (or states as the case may be), year established, and size in acres DATA nationalparks; INPUT ParkName $ 1-22 State $ Year 048 Acreage COMMAS DATAL?NES; Yellowstone Everglades Yosemite Great Smoky Mountains NC/TN 1926 Wolf Trap Farm ID/MT/WY 1872 4,065,493 1,398,800 760,917 520,269 130 FL 1934 CA 1864 VA 1966 PROC PRINT DATA nationalparks; TITLE Selected National Parks RUN; Exercise 5: Delete and add one blank column right before 4,065,493, see what happens Exercise 6: In the preceding program, the column pointer @40 tells SAS to move to column 40 before reading the value for Acreage. Try the following code to see why we need @ in the INPUT DATA nationalparks; INPUT ParkName $ 1-22 State Year @40 Acreage COMMA9. INPUT ParkName $ 1-22 State $ Year Acreage COMMAS. DATA INES ; Yellowstone Everglades Yosemite Great Smoky Mountains NC/TN 1926 Wo1f Trap Farm ID/MT/WY 1872 4,865,493 1,398,800 760,917 520,269 130 FL 1934 CA 1864 VA 1966 PROC PRINT DATA nationalparks; TITLE 'Selected National Parks: RUN