Count the number of times the string ‘ ? ‘ occurs in variable line. Choose any method that works reliably. Regardless of method, assume that a line won’t consist entirely of ‘ ? ‘’s. ... View more

data dd; input Employee_id $ Name $17. gender $ years $ dept $ salary01: comma6. salary02: comma6. salary03: comma6.; run; 1 Mitchell, Jane A f 6 shoe 22,450 23,000 26,600 2 Miller, Frances T f 8 appliance . 32,500 33,000 3 Evans, Richard A m 9 appliance 42,900 43,900 . 4 Fair, Suzanne K f 3 clothing 29,700 32,900 34,500 5 Meyers, Thomas D m 5 appliance 33,700 34,400 37,000 6 Rogers, Steven F m 3 shoe 27,000 27,800 . 7 Anderson, Frank F m 5 clothing 33,000 35,100 36,000 10 Baxter, David T m 2 shoe 23,900 . 31,300 11 Wood, Brenda L f 3 clothing 33,000 34,000 35,700 12 Wheeler, Vickie M f 7 appliance 31,500 33,200 35,600 13 Hancock, Sharon T f 1 clothing 21,000 . 22,500 14 Looney, Roger M m 10 appliance 42,900 36,200 37,800 15 Fry, Marie E f 6 clothing 29,700 30,500 31,200   run; proc sort data=dd; by salary01; run;   ... View more