/*   in.sas   */
     options nodate pageno=1;

   DATA SUB; INPUT YR REP TRT YIELD;
      LIST;
      IF YR IN(88,89,90);      /*  IF YR=88 OR YR=89 OR YR=90; */
      CARDS;
   86 1 1 20
   86 1 2 30
   87 1 1 20
   87 1 2 30
   88 1 1 20
   88 1 2 30
   89 1 1 20
   89 1 2 30
   DATA ALL; INPUT STATE $2. INCOME;
      IF STATE IN('FL','GA','SC','NC') THEN REGION='SE';
      /* IF STATE='FL' OR STATE='GA' OR STATE='SC' OR STATE='NC'
         THEN REGION='SE';   */
      CARDS;
FL 20000
VA 30000
NC 15000
SC 14000
GA 16000
PA 19000
   PROC PRINT;
     RUN;