Frequencies for first 10,000 rows of drugres2 variable in person dataset : DRUG TEST | RESULTS-2 | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,518 95.18 95.18 1 | 12 0.12 95.30 155 | 11 0.11 95.41 157 | 4 0.04 95.45 167 | 2 0.02 95.47 177 | 6 0.06 95.53 187 | 11 0.11 95.64 188 | 1 0.01 95.65 189 | 6 0.06 95.71 300 | 3 0.03 95.74 304 | 10 0.10 95.84 308 | 2 0.02 95.86 313 | 1 0.01 95.87 321 | 5 0.05 95.92 334 | 1 0.01 95.93 337 | 4 0.04 95.97 343 | 2 0.02 95.99 348 | 4 0.04 96.03 351 | 10 0.10 96.13 352 | 1 0.01 96.14 355 | 1 0.01 96.15 376 | 4 0.04 96.19 387 | 3 0.03 96.22 401 | 12 0.12 96.34 402 | 15 0.15 96.49 404 | 1 0.01 96.50 407 | 38 0.38 96.88 410 | 2 0.02 96.90 417 | 79 0.79 97.69 495 | 1 0.01 97.70 513 | 2 0.02 97.72 600 | 3 0.03 97.75 603 | 8 0.08 97.83 605 | 10 0.10 97.93 606 | 52 0.52 98.45 695 | 28 0.28 98.73 702 | 1 0.01 98.74 795 | 2 0.02 98.76 996 | 41 0.41 99.17 999 | 83 0.83 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016