Frequencies for first 10,000 rows of rx10cat4 variable in namcs2015 dataset : For RX10, | MULTUM drug | category #4 | - detailed | Freq. Percent Cum. ------------+----------------------------------- | 9,994 99.94 99.94 205 | 2 0.02 99.96 445 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017