Frequencies for first 10,000 rows of rx8v1c3 variable in nhamcsed2015 dataset : For RX8, | level 1 of | MULTUM drug | category #3 | (broad | level) | Freq. Percent Cum. ------------+----------------------------------- | 9,990 99.90 99.90 040 | 2 0.02 99.92 057 | 8 0.08 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017