Frequencies for first 10,000 rows of drugcl5 variable in namcs1998 dataset : drug class | for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,422 94.22 94.22 0119 | 4 0.04 94.26 0346 | 3 0.03 94.29 0347 | 5 0.05 94.34 0348 | 2 0.02 94.36 0350 | 2 0.02 94.38 0353 | 3 0.03 94.41 0355 | 1 0.01 94.42 0357 | 4 0.04 94.46 0388 | 1 0.01 94.47 0408 | 9 0.09 94.56 0409 | 13 0.13 94.69 0501 | 11 0.11 94.80 0502 | 1 0.01 94.81 0503 | 17 0.17 94.98 0504 | 4 0.04 95.02 0506 | 23 0.23 95.25 0507 | 27 0.27 95.52 0510 | 16 0.16 95.68 0512 | 12 0.12 95.80 0513 | 11 0.11 95.91 0514 | 22 0.22 96.13 0626 | 9 0.09 96.22 0627 | 7 0.07 96.29 0628 | 2 0.02 96.31 0630 | 18 0.18 96.49 0631 | 2 0.02 96.51 0789 | 1 0.01 96.52 0874 | 31 0.31 96.83 0875 | 2 0.02 96.85 0876 | 6 0.06 96.91 0877 | 3 0.03 96.94 0878 | 3 0.03 96.97 0879 | 1 0.01 96.98 0912 | 13 0.13 97.11 0913 | 14 0.14 97.25 0915 | 19 0.19 97.44 0916 | 3 0.03 97.47 1032 | 5 0.05 97.52 1034 | 19 0.19 97.71 1036 | 34 0.34 98.05 1037 | 14 0.14 98.19 1180 | 10 0.10 98.29 1181 | 2 0.02 98.31 1264 | 1 0.01 98.32 1265 | 3 0.03 98.35 1268 | 12 0.12 98.47 1271 | 2 0.02 98.49 1371 | 2 0.02 98.51 1373 | 5 0.05 98.56 1374 | 3 0.03 98.59 1479 | 1 0.01 98.60 1480 | 2 0.02 98.62 1483 | 1 0.01 98.63 1500 | 1 0.01 98.64 1566 | 2 0.02 98.66 1567 | 1 0.01 98.67 1568 | 2 0.02 98.69 1720 | 2 0.02 98.71 1721 | 13 0.13 98.84 1722 | 32 0.32 99.16 1723 | 2 0.02 99.18 1724 | 5 0.05 99.23 1725 | 6 0.06 99.29 1727 | 7 0.07 99.36 1860 | 1 0.01 99.37 1864 | 2 0.02 99.39 1940 | 23 0.23 99.62 1941 | 2 0.02 99.64 1943 | 6 0.06 99.70 1944 | 14 0.14 99.84 1947 | 9 0.09 99.93 2087 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016