Frequencies for first 10,000 rows of rx2v2c3 variable in nhamcsed2015 dataset : For RX2, | level 2 of | MULTUM drug | category #3 | (intermedia | te level) | Freq. Percent Cum. ------------+----------------------------------- | 9,811 98.11 98.11 064 | 82 0.82 98.93 065 | 84 0.84 99.77 265 | 2 0.02 99.79 430 | 4 0.04 99.83 433 | 17 0.17 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017