Frequencies for first 10,000 rows of rx22v1c2 variable in namcs2014 dataset : For RX22, | level 1 of | MULTUM drug | category #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,993 99.93 99.93 001 | 1 0.01 99.94 040 | 2 0.02 99.96 057 | 1 0.01 99.97 081 | 2 0.02 99.99 115 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017