Frequencies for first 10,000 rows of drugres2 variable in person dataset : DRUG TEST | RESULTS-2 | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,487 94.87 94.87 1 | 2 0.02 94.89 154 | 1 0.01 94.90 155 | 6 0.06 94.96 157 | 1 0.01 94.97 165 | 3 0.03 95.00 167 | 1 0.01 95.01 177 | 7 0.07 95.08 187 | 3 0.03 95.11 189 | 3 0.03 95.14 208 | 1 0.01 95.15 227 | 1 0.01 95.16 295 | 1 0.01 95.17 300 | 3 0.03 95.20 303 | 1 0.01 95.21 304 | 12 0.12 95.33 307 | 1 0.01 95.34 321 | 6 0.06 95.40 337 | 2 0.02 95.42 343 | 2 0.02 95.44 346 | 1 0.01 95.45 348 | 2 0.02 95.47 351 | 9 0.09 95.56 358 | 1 0.01 95.57 376 | 1 0.01 95.58 387 | 1 0.01 95.59 401 | 23 0.23 95.82 402 | 28 0.28 96.10 405 | 3 0.03 96.13 407 | 42 0.42 96.55 410 | 7 0.07 96.62 417 | 79 0.79 97.41 495 | 1 0.01 97.42 513 | 2 0.02 97.44 515 | 1 0.01 97.45 600 | 5 0.05 97.50 601 | 1 0.01 97.51 603 | 6 0.06 97.57 605 | 4 0.04 97.61 606 | 27 0.27 97.88 695 | 9 0.09 97.97 795 | 1 0.01 97.98 996 | 19 0.19 98.17 997 | 3 0.03 98.20 998 | 1 0.01 98.21 999 | 179 1.79 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016