Frequencies for first 10,000 rows of drugres1 variable in person dataset : drug test- | result (1) | Freq. Percent Cum. ------------+----------------------------------- 0 | 5,684 56.84 56.84 1 | 1,715 17.15 73.99 95 | 1,286 12.86 86.85 100 | 1 0.01 86.86 124 | 4 0.04 86.90 127 | 2 0.02 86.92 128 | 8 0.08 87.00 136 | 1 0.01 87.01 151 | 10 0.10 87.11 154 | 2 0.02 87.13 155 | 64 0.64 87.77 157 | 4 0.04 87.81 167 | 22 0.22 88.03 177 | 36 0.36 88.39 187 | 28 0.28 88.67 188 | 2 0.02 88.69 189 | 23 0.23 88.92 300 | 57 0.57 89.49 301 | 4 0.04 89.53 303 | 1 0.01 89.54 304 | 78 0.78 90.32 308 | 2 0.02 90.34 313 | 2 0.02 90.36 316 | 1 0.01 90.37 321 | 22 0.22 90.59 334 | 2 0.02 90.61 336 | 1 0.01 90.62 337 | 4 0.04 90.66 338 | 3 0.03 90.69 343 | 5 0.05 90.74 348 | 16 0.16 90.90 351 | 18 0.18 91.08 358 | 5 0.05 91.13 367 | 2 0.02 91.15 378 | 1 0.01 91.16 387 | 5 0.05 91.21 401 | 166 1.66 92.87 402 | 49 0.49 93.36 405 | 1 0.01 93.37 407 | 24 0.24 93.61 417 | 70 0.70 94.31 423 | 3 0.03 94.34 505 | 1 0.01 94.35 522 | 1 0.01 94.36 600 | 118 1.18 95.54 601 | 1 0.01 95.55 603 | 12 0.12 95.67 605 | 101 1.01 96.68 695 | 140 1.40 98.08 702 | 1 0.01 98.09 795 | 1 0.01 98.10 996 | 95 0.95 99.05 997 | 12 0.12 99.17 998 | 3 0.03 99.20 999 | 80 0.80 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016