Frequencies for first 10,000 rows of prov2410 variable in pos1998 dataset : srv: | postoperati | ve recovery | room | Freq. Percent Cum. ------------+----------------------------------- | 8,805 88.05 88.05 0 | 308 3.08 91.13 1 | 858 8.58 99.71 2 | 24 0.24 99.95 3 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016