Frequencies for first 10,000 rows of drugres1 variable in person dataset : Drug Test- | Result (1) | Freq. Percent Cum. ------------+----------------------------------- 0 | 5,793 57.93 57.93 1 | 2,150 21.50 79.43 95 | 811 8.11 87.54 124 | 1 0.01 87.55 128 | 11 0.11 87.66 135 | 1 0.01 87.67 136 | 5 0.05 87.72 151 | 9 0.09 87.81 154 | 1 0.01 87.82 155 | 65 0.65 88.47 165 | 3 0.03 88.50 167 | 25 0.25 88.75 177 | 37 0.37 89.12 187 | 13 0.13 89.25 188 | 4 0.04 89.29 189 | 15 0.15 89.44 229 | 1 0.01 89.45 254 | 1 0.01 89.46 300 | 31 0.31 89.77 301 | 1 0.01 89.78 303 | 2 0.02 89.80 304 | 62 0.62 90.42 308 | 1 0.01 90.43 316 | 1 0.01 90.44 321 | 11 0.11 90.55 334 | 1 0.01 90.56 337 | 4 0.04 90.60 343 | 2 0.02 90.62 348 | 16 0.16 90.78 351 | 7 0.07 90.85 358 | 1 0.01 90.86 367 | 2 0.02 90.88 376 | 1 0.01 90.89 387 | 7 0.07 90.96 400 | 1 0.01 90.97 401 | 120 1.20 92.17 402 | 48 0.48 92.65 403 | 1 0.01 92.66 404 | 1 0.01 92.67 407 | 25 0.25 92.92 414 | 1 0.01 92.93 417 | 56 0.56 93.49 423 | 4 0.04 93.53 513 | 2 0.02 93.55 600 | 52 0.52 94.07 603 | 33 0.33 94.40 605 | 40 0.40 94.80 606 | 111 1.11 95.91 695 | 74 0.74 96.65 702 | 3 0.03 96.68 995 | 1 0.01 96.69 996 | 118 1.18 97.87 997 | 196 1.96 99.83 998 | 6 0.06 99.89 999 | 11 0.11 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016