Frequencies for first 10,000 rows of hospital variable in person dataset : Taken to | Hospital | Freq. Percent Cum. ------------+----------------------------------- 0 | 4,411 44.11 44.11 1 | 5,392 53.92 98.03 9 | 197 1.97 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016