Frequencies for first 10,000 rows of rx9v2c3 variable in namcs2014 dataset : For RX9, | level 2 of | MULTUM drug | category #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,986 99.86 99.86 064 | 6 0.06 99.92 065 | 1 0.01 99.93 265 | 1 0.01 99.94 270 | 4 0.04 99.98 433 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017