Frequencies for first 10,000 rows of drugres1 variable in person dataset : drug test- | result (1) | Freq. Percent Cum. ------------+----------------------------------- 0 | 5,906 59.06 59.06 1 | 2,137 21.37 80.43 95 | 432 4.32 84.75 100 | 1 0.01 84.76 128 | 15 0.15 84.91 136 | 4 0.04 84.95 151 | 18 0.18 85.13 155 | 68 0.68 85.81 157 | 6 0.06 85.87 167 | 19 0.19 86.06 177 | 36 0.36 86.42 187 | 28 0.28 86.70 188 | 6 0.06 86.76 189 | 21 0.21 86.97 200 | 1 0.01 86.98 300 | 45 0.45 87.43 301 | 1 0.01 87.44 303 | 2 0.02 87.46 304 | 77 0.77 88.23 308 | 2 0.02 88.25 313 | 5 0.05 88.30 316 | 8 0.08 88.38 321 | 21 0.21 88.59 337 | 4 0.04 88.63 338 | 2 0.02 88.65 342 | 1 0.01 88.66 343 | 5 0.05 88.71 348 | 28 0.28 88.99 351 | 10 0.10 89.09 352 | 1 0.01 89.10 358 | 4 0.04 89.14 367 | 1 0.01 89.15 387 | 3 0.03 89.18 401 | 204 2.04 91.22 402 | 56 0.56 91.78 405 | 1 0.01 91.79 407 | 28 0.28 92.07 417 | 94 0.94 93.01 423 | 5 0.05 93.06 435 | 2 0.02 93.08 513 | 1 0.01 93.09 522 | 2 0.02 93.11 528 | 1 0.01 93.12 600 | 162 1.62 94.74 603 | 26 0.26 95.00 605 | 116 1.16 96.16 695 | 126 1.26 97.42 702 | 1 0.01 97.43 807 | 1 0.01 97.44 924 | 2 0.02 97.46 995 | 3 0.03 97.49 996 | 99 0.99 98.48 997 | 121 1.21 99.69 998 | 11 0.11 99.80 999 | 20 0.20 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016