Frequencies for first 10,000 rows of rx2cat2 variable in nhamcsopd2011 dataset : For RX2, | MULTUM drug | category #2 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,358 93.58 93.58 012 | 12 0.12 93.70 015 | 9 0.09 93.79 053 | 3 0.03 93.82 102 | 6 0.06 93.88 106 | 2 0.02 93.90 117 | 15 0.15 94.05 120 | 7 0.07 94.12 123 | 51 0.51 94.63 124 | 5 0.05 94.68 127 | 22 0.22 94.90 129 | 7 0.07 94.97 138 | 1 0.01 94.98 146 | 6 0.06 95.04 174 | 3 0.03 95.07 180 | 4 0.04 95.11 185 | 3 0.03 95.14 186 | 2 0.02 95.16 192 | 8 0.08 95.24 196 | 3 0.03 95.27 198 | 60 0.60 95.87 201 | 7 0.07 95.94 203 | 68 0.68 96.62 209 | 1 0.01 96.63 210 | 9 0.09 96.72 211 | 100 1.00 97.72 219 | 5 0.05 97.77 220 | 1 0.01 97.78 233 | 1 0.01 97.79 238 | 5 0.05 97.84 239 | 6 0.06 97.90 253 | 3 0.03 97.93 264 | 2 0.02 97.95 268 | 6 0.06 98.01 276 | 3 0.03 98.04 277 | 1 0.01 98.05 279 | 1 0.01 98.06 289 | 12 0.12 98.18 292 | 15 0.15 98.33 301 | 16 0.16 98.49 303 | 1 0.01 98.50 320 | 45 0.45 98.95 340 | 6 0.06 99.01 351 | 3 0.03 99.04 363 | 1 0.01 99.05 374 | 1 0.01 99.06 378 | 4 0.04 99.10 385 | 28 0.28 99.38 386 | 8 0.08 99.46 388 | 22 0.22 99.68 389 | 11 0.11 99.79 401 | 1 0.01 99.80 402 | 2 0.02 99.82 407 | 4 0.04 99.86 417 | 2 0.02 99.88 420 | 1 0.01 99.89 423 | 1 0.01 99.90 442 | 1 0.01 99.91 443 | 1 0.01 99.92 444 | 4 0.04 99.96 445 | 2 0.02 99.98 450 | 1 0.01 99.99 899 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016