Frequencies for first 10,000 rows of rx4cat2 variable in nhamcsed2014 dataset : For RX4, | MULTUM drug | category #2 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,560 95.60 95.60 012 | 17 0.17 95.77 015 | 16 0.16 95.93 053 | 17 0.17 96.10 054 | 2 0.02 96.12 102 | 1 0.01 96.13 106 | 2 0.02 96.15 117 | 16 0.16 96.31 123 | 32 0.32 96.63 129 | 150 1.50 98.13 146 | 1 0.01 98.14 180 | 9 0.09 98.23 185 | 1 0.01 98.24 196 | 16 0.16 98.40 198 | 44 0.44 98.84 201 | 1 0.01 98.85 203 | 22 0.22 99.07 210 | 3 0.03 99.10 211 | 28 0.28 99.38 219 | 1 0.01 99.39 239 | 4 0.04 99.43 268 | 7 0.07 99.50 289 | 3 0.03 99.53 292 | 3 0.03 99.56 301 | 1 0.01 99.57 320 | 2 0.02 99.59 340 | 1 0.01 99.60 385 | 30 0.30 99.90 386 | 2 0.02 99.92 388 | 3 0.03 99.95 389 | 2 0.02 99.97 395 | 1 0.01 99.98 407 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017