Frequencies for first 10,000 rows of drugres3 variable in person dataset : drug test- | result (3) | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,634 96.34 96.34 128 | 1 0.01 96.35 136 | 1 0.01 96.36 151 | 2 0.02 96.38 155 | 6 0.06 96.44 157 | 3 0.03 96.47 167 | 1 0.01 96.48 177 | 8 0.08 96.56 187 | 10 0.10 96.66 188 | 2 0.02 96.68 189 | 12 0.12 96.80 300 | 5 0.05 96.85 304 | 5 0.05 96.90 316 | 2 0.02 96.92 321 | 9 0.09 97.01 337 | 2 0.02 97.03 343 | 4 0.04 97.07 348 | 6 0.06 97.13 351 | 13 0.13 97.26 352 | 5 0.05 97.31 358 | 2 0.02 97.33 367 | 3 0.03 97.36 376 | 5 0.05 97.41 387 | 2 0.02 97.43 401 | 16 0.16 97.59 402 | 7 0.07 97.66 407 | 4 0.04 97.70 410 | 9 0.09 97.79 417 | 28 0.28 98.07 423 | 1 0.01 98.08 435 | 3 0.03 98.11 600 | 21 0.21 98.32 603 | 5 0.05 98.37 605 | 43 0.43 98.80 695 | 44 0.44 99.24 702 | 1 0.01 99.25 996 | 73 0.73 99.98 998 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016