Frequencies for first 10,000 rows of drugres1 variable in person dataset : Drug Test- | Result (1) | Freq. Percent Cum. ------------+----------------------------------- 0 | 6,161 61.61 61.61 1 | 1,809 18.09 79.70 95 | 667 6.67 86.37 100 | 2 0.02 86.39 115 | 1 0.01 86.40 128 | 10 0.10 86.50 136 | 1 0.01 86.51 151 | 6 0.06 86.57 154 | 1 0.01 86.58 155 | 37 0.37 86.95 156 | 1 0.01 86.96 157 | 2 0.02 86.98 167 | 12 0.12 87.10 176 | 1 0.01 87.11 177 | 16 0.16 87.27 178 | 1 0.01 87.28 187 | 25 0.25 87.53 189 | 10 0.10 87.63 208 | 2 0.02 87.65 295 | 1 0.01 87.66 300 | 8 0.08 87.74 303 | 2 0.02 87.76 304 | 77 0.77 88.53 308 | 1 0.01 88.54 316 | 4 0.04 88.58 321 | 14 0.14 88.72 334 | 3 0.03 88.75 343 | 1 0.01 88.76 348 | 12 0.12 88.88 351 | 6 0.06 88.94 352 | 2 0.02 88.96 358 | 1 0.01 88.97 367 | 2 0.02 88.99 387 | 1 0.01 89.00 401 | 112 1.12 90.12 402 | 52 0.52 90.64 403 | 4 0.04 90.68 405 | 1 0.01 90.69 407 | 21 0.21 90.90 417 | 63 0.63 91.53 513 | 4 0.04 91.57 515 | 1 0.01 91.58 531 | 1 0.01 91.59 600 | 24 0.24 91.83 603 | 44 0.44 92.27 605 | 27 0.27 92.54 606 | 56 0.56 93.10 695 | 95 0.95 94.05 702 | 1 0.01 94.06 996 | 72 0.72 94.78 997 | 459 4.59 99.37 998 | 36 0.36 99.73 999 | 27 0.27 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016