Creating the Plants Data Set

data plants;
   input type $ @;
   do block=1 to 3;
      input stemleng @;
      output;
   end;
   datalines;
   clarion  32.7 32.3 31.5
   clinton  32.1 29.7 29.1
   knox     35.7 35.9 33.1
   o'neill  36.0 34.2 31.2
   compost  31.8 28.0 29.2
   wabash   38.2 37.8 31.9
   webster  32.5 31.1 29.7
   ;
run;