Frequencies for first 10,000 rows of hospital variable in person dataset : TAKEN TO | HOSPITAL | Freq. Percent Cum. ------------+----------------------------------- 0 | 4,386 43.86 43.86 1 | 5,527 55.27 99.13 9 | 87 0.87 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016