Frequencies for first 10,000 rows of drugres3 variable in person dataset : drug test- | result (3) | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,666 96.66 96.66 124 | 2 0.02 96.68 151 | 3 0.03 96.71 155 | 8 0.08 96.79 157 | 1 0.01 96.80 167 | 5 0.05 96.85 177 | 5 0.05 96.90 187 | 7 0.07 96.97 189 | 16 0.16 97.13 295 | 1 0.01 97.14 300 | 12 0.12 97.26 304 | 3 0.03 97.29 308 | 1 0.01 97.30 313 | 1 0.01 97.31 316 | 2 0.02 97.33 321 | 4 0.04 97.37 337 | 1 0.01 97.38 338 | 1 0.01 97.39 343 | 1 0.01 97.40 348 | 3 0.03 97.43 351 | 9 0.09 97.52 352 | 3 0.03 97.55 367 | 4 0.04 97.59 387 | 3 0.03 97.62 396 | 1 0.01 97.63 401 | 20 0.20 97.83 402 | 9 0.09 97.92 407 | 8 0.08 98.00 410 | 4 0.04 98.04 417 | 31 0.31 98.35 515 | 1 0.01 98.36 600 | 36 0.36 98.72 603 | 2 0.02 98.74 605 | 34 0.34 99.08 695 | 32 0.32 99.40 795 | 1 0.01 99.41 996 | 58 0.58 99.99 998 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016