Frequencies for first 10,000 rows of drugres1 variable in person dataset : DRUG TEST | RESULTS-1 | Freq. Percent Cum. ------------+----------------------------------- 0 | 6,463 64.63 64.63 1 | 1,683 16.83 81.46 100 | 1 0.01 81.47 104 | 1 0.01 81.48 128 | 17 0.17 81.65 136 | 4 0.04 81.69 154 | 1 0.01 81.70 155 | 18 0.18 81.88 164 | 1 0.01 81.89 165 | 1 0.01 81.90 167 | 1 0.01 81.91 177 | 15 0.15 82.06 187 | 13 0.13 82.19 188 | 1 0.01 82.20 189 | 4 0.04 82.24 208 | 15 0.15 82.39 295 | 3 0.03 82.42 300 | 7 0.07 82.49 301 | 1 0.01 82.50 303 | 2 0.02 82.52 304 | 10 0.10 82.62 307 | 1 0.01 82.63 308 | 1 0.01 82.64 321 | 15 0.15 82.79 343 | 1 0.01 82.80 348 | 4 0.04 82.84 351 | 6 0.06 82.90 355 | 2 0.02 82.92 358 | 5 0.05 82.97 367 | 3 0.03 83.00 376 | 3 0.03 83.03 401 | 63 0.63 83.66 402 | 46 0.46 84.12 404 | 1 0.01 84.13 407 | 56 0.56 84.69 410 | 1 0.01 84.70 417 | 43 0.43 85.13 423 | 2 0.02 85.15 513 | 1 0.01 85.16 522 | 6 0.06 85.22 600 | 11 0.11 85.33 603 | 21 0.21 85.54 605 | 1 0.01 85.55 606 | 21 0.21 85.76 695 | 30 0.30 86.06 996 | 170 1.70 87.76 997 | 162 1.62 89.38 998 | 2 0.02 89.40 999 | 1,060 10.60 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016