Frequencies for first 10,000 rows of rx5v2c3 variable in nhamcsopd2011 dataset : For RX5, | level 2 of | MULTUM drug | category #3 | (intermedia | te level) | Freq. Percent Cum. ------------+----------------------------------- | 9,974 99.74 99.74 064 | 14 0.14 99.88 065 | 8 0.08 99.96 101 | 1 0.01 99.97 270 | 1 0.01 99.98 433 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016