Frequencies for first 10,000 rows of rx22v2c2 variable in nhamcsed2014 dataset : For RX22, | level 2 of | MULTUM drug | category #2 | (intermedia | te level) | Freq. Percent Cum. ------------+----------------------------------- | 9,996 99.96 99.96 015 | 1 0.01 99.97 065 | 1 0.01 99.98 129 | 1 0.01 99.99 363 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017