Frequencies for first 10,000 rows of drugid17 variable in nhamcsed2014 dataset : Drug ID | code for | medication | #17 | Freq. Percent Cum. ------------+----------------------------------- | 9,964 99.64 99.64 a53175 | 1 0.01 99.65 c00220 | 1 0.01 99.66 d00059 | 1 0.01 99.67 d00125 | 1 0.01 99.68 d00134 | 1 0.01 99.69 d00149 | 1 0.01 99.70 d00170 | 1 0.01 99.71 d00182 | 1 0.01 99.72 d00212 | 1 0.01 99.73 d00215 | 1 0.01 99.74 d00223 | 1 0.01 99.75 d00252 | 1 0.01 99.76 d00253 | 1 0.01 99.77 d00262 | 1 0.01 99.78 d00273 | 1 0.01 99.79 d00278 | 1 0.01 99.80 d00293 | 1 0.01 99.81 d00308 | 1 0.01 99.82 d00350 | 1 0.01 99.83 d00355 | 1 0.01 99.84 d00438 | 1 0.01 99.85 d00440 | 1 0.01 99.86 d00746 | 1 0.01 99.87 d00749 | 1 0.01 99.88 d00843 | 1 0.01 99.89 d00867 | 3 0.03 99.92 d01024 | 1 0.01 99.93 d01027 | 1 0.01 99.94 d03140 | 1 0.01 99.95 d04105 | 1 0.01 99.96 d04499 | 1 0.01 99.97 d04510 | 1 0.01 99.98 d04514 | 1 0.01 99.99 d04538 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017