Frequencies for first 10,000 rows of rx4cat2 variable in nhamcsopd2011 dataset : For RX4, | MULTUM drug | category #2 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,652 96.52 96.52 012 | 4 0.04 96.56 015 | 5 0.05 96.61 053 | 4 0.04 96.65 102 | 3 0.03 96.68 117 | 13 0.13 96.81 123 | 22 0.22 97.03 124 | 4 0.04 97.07 127 | 3 0.03 97.10 129 | 6 0.06 97.16 132 | 1 0.01 97.17 146 | 2 0.02 97.19 174 | 3 0.03 97.22 180 | 2 0.02 97.24 185 | 4 0.04 97.28 192 | 3 0.03 97.31 196 | 1 0.01 97.32 198 | 13 0.13 97.45 201 | 3 0.03 97.48 203 | 28 0.28 97.76 209 | 1 0.01 97.77 210 | 8 0.08 97.85 211 | 92 0.92 98.77 219 | 10 0.10 98.87 220 | 1 0.01 98.88 238 | 3 0.03 98.91 239 | 1 0.01 98.92 268 | 2 0.02 98.94 276 | 2 0.02 98.96 279 | 1 0.01 98.97 289 | 5 0.05 99.02 292 | 7 0.07 99.09 301 | 9 0.09 99.18 320 | 15 0.15 99.33 330 | 1 0.01 99.34 340 | 4 0.04 99.38 351 | 1 0.01 99.39 363 | 1 0.01 99.40 378 | 2 0.02 99.42 385 | 16 0.16 99.58 386 | 5 0.05 99.63 387 | 2 0.02 99.65 388 | 20 0.20 99.85 389 | 4 0.04 99.89 402 | 1 0.01 99.90 417 | 5 0.05 99.95 423 | 1 0.01 99.96 442 | 2 0.02 99.98 445 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016