Frequencies for first 10,000 rows of rx16v2c4 variable in namcs2015 dataset : For RX16, | level 2 of | MULTUM drug | category #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,998 99.98 99.98 104 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017