Frequencies for first 10,000 rows of drugres3 variable in person dataset : drug test- | result (3) | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,580 95.80 95.80 124 | 1 0.01 95.81 151 | 2 0.02 95.83 155 | 8 0.08 95.91 157 | 4 0.04 95.95 167 | 2 0.02 95.97 177 | 7 0.07 96.04 187 | 9 0.09 96.13 188 | 3 0.03 96.16 189 | 10 0.10 96.26 208 | 1 0.01 96.27 300 | 13 0.13 96.40 304 | 7 0.07 96.47 308 | 1 0.01 96.48 313 | 1 0.01 96.49 316 | 8 0.08 96.57 321 | 8 0.08 96.65 337 | 5 0.05 96.70 343 | 9 0.09 96.79 348 | 3 0.03 96.82 351 | 13 0.13 96.95 352 | 4 0.04 96.99 358 | 1 0.01 97.00 367 | 1 0.01 97.01 376 | 1 0.01 97.02 387 | 3 0.03 97.05 401 | 18 0.18 97.23 402 | 8 0.08 97.31 407 | 11 0.11 97.42 410 | 4 0.04 97.46 417 | 32 0.32 97.78 418 | 1 0.01 97.79 423 | 1 0.01 97.80 513 | 1 0.01 97.81 600 | 43 0.43 98.24 603 | 4 0.04 98.28 605 | 44 0.44 98.72 695 | 56 0.56 99.28 702 | 3 0.03 99.31 996 | 69 0.69 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016