Frequencies for first 10,000 rows of edemogo variable in nhamcsopd2005 dataset : does emr | system | include | patient | demographic | information | ? | Freq. Percent Cum. ------------+----------------------------------- yes | 5,035 50.35 50.35 no | 442 4.42 54.77 blank | 4,523 45.23 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016