Frequencies for first 10,000 rows of emer_use variable in person dataset : emergency | use | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,035 90.35 90.35 2 | 9 0.09 90.44 5 | 11 0.11 90.55 8 | 5 0.05 90.60 9 | 3 0.03 90.63 . | 937 9.37 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016