Frequencies for first 10,000 rows of drugres2 variable in person dataset : drug test- | result (2) | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,267 92.67 92.67 124 | 3 0.03 92.70 128 | 2 0.02 92.72 147 | 1 0.01 92.73 151 | 2 0.02 92.75 155 | 17 0.17 92.92 157 | 5 0.05 92.97 167 | 11 0.11 93.08 177 | 13 0.13 93.21 187 | 9 0.09 93.30 188 | 3 0.03 93.33 189 | 18 0.18 93.51 300 | 15 0.15 93.66 304 | 7 0.07 93.73 308 | 2 0.02 93.75 316 | 10 0.10 93.85 321 | 15 0.15 94.00 337 | 2 0.02 94.02 338 | 2 0.02 94.04 343 | 1 0.01 94.05 348 | 7 0.07 94.12 351 | 22 0.22 94.34 352 | 2 0.02 94.36 358 | 1 0.01 94.37 376 | 3 0.03 94.40 379 | 1 0.01 94.41 387 | 4 0.04 94.45 401 | 34 0.34 94.79 402 | 29 0.29 95.08 407 | 29 0.29 95.37 415 | 1 0.01 95.38 417 | 154 1.54 96.92 423 | 1 0.01 96.93 495 | 1 0.01 96.94 513 | 2 0.02 96.96 515 | 1 0.01 96.97 522 | 1 0.01 96.98 600 | 47 0.47 97.45 601 | 1 0.01 97.46 603 | 11 0.11 97.57 605 | 109 1.09 98.66 695 | 75 0.75 99.41 702 | 1 0.01 99.42 996 | 58 0.58 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016