Thanks, I summed and divided in the data step.      data uniform1 (drop = x);    do n = 10, 100, 200, 500, 1000, 5000, 10000 ;       do i = 1 to 100 ;         sumx = 0 ;            do a = 1 to n ;               x = rand('Uniform');              sumx + x ;              meanx = sumx / n ;            end ;         y = meanx ;         output ;     end;   end; run ; ... View more

You may have to very carefully consider the order of your processing and the actual desired target(s). ExampleS: Art History,Secondary Education- History emphasis Is Art History an Art degree or History or possibly Humanities? If it is Art then you would have to search and replace 'Art' before your "hist" search AND the replacement value could not contain the word History. Otherwise your other search would change it from Art to History. And perhaps you have some majors that don't actually include the 'key' value.   Is Business Statistics a Business degree or a Statistics degree (or program or major or concentration or ??).   I might take a different approach then "if / then /else" by creating a list of all of the unique values and creating a format or even an Informat, to allow use of Just and Upcase options for comparison, ... View more