options ls=80 nodate pageno=1 NOFMTERR;  

 * log_example.sas           PubH 6451 ;

 data c;
   input count y;
   cards;
   45 1
   3 5
   3 10
   3 20
   3 50
   3 100
   3 300
   ;

 
  data d;
     set c;
     x = y; log_x=log(x); group="A"; output;
     x = y + 3.0; log_x=log(x); group="B"; output;

 Proc SGplot data=d;   
   where group="A";
   histogram x / freq = count;
  run;

  proc Ttest ci=none data=d;
    class group;
    freq count;
    var  x log_x ;

  run; quit;