Frequencies for first 10,000 rows of rx3v2c4 variable in nhamcsed2015 dataset : For RX3, | level 2 of | MULTUM drug | category #4 | (intermedia | te level) | Freq. Percent Cum. ------------+----------------------------------- | 9,924 99.24 99.24 066 | 74 0.74 99.98 104 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017