Frequencies for first 10,000 rows of physasst variable in namcs2002 dataset : Physician | assistant | seen | Freq. Percent Cum. ------------+----------------------------------- No | 9,830 98.30 98.30 Yes | 170 1.70 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016