Frequencies for first 10,000 rows of rx3v1c3 variable in namcs2014 dataset : For RX3, | level 1 of | MULTUM drug | category #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,943 99.43 99.43 040 | 8 0.08 99.51 057 | 42 0.42 99.93 097 | 2 0.02 99.95 105 | 4 0.04 99.99 113 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017