Create the data set REJECTS. REJECTS contains data on the number of defective parts produced at each of three sites for 12 months. BADPARTS is the number of parts that were rejected at each site for each month.
data rejects; informat date date9.; input site $ date badparts; datalines; Sydney 01JAN1997 8 Sydney 01FEB1997 11 Sydney 28JUN1997 13 Sydney 31OCT1997 6 Paris 11APR1997 12 Paris 04MAY1997 12 Paris 30AUG1997 14 Paris 01DEC1997 7 Atlanta 15MAR1997 7 Atlanta 18JUL1997 12 Atlanta 03SEP1997 10 Atlanta 12NOV1997 9 ;