Frequencies for first 10,000 rows of drugcl5 variable in namcs1994 dataset : drug class | for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,397 93.97 93.97 0120 | 1 0.01 93.98 0346 | 5 0.05 94.03 0347 | 2 0.02 94.05 0348 | 4 0.04 94.09 0354 | 1 0.01 94.10 0388 | 2 0.02 94.12 0408 | 12 0.12 94.24 0409 | 8 0.08 94.32 0501 | 17 0.17 94.49 0502 | 10 0.10 94.59 0503 | 33 0.33 94.92 0504 | 4 0.04 94.96 0506 | 42 0.42 95.38 0507 | 40 0.40 95.78 0626 | 4 0.04 95.82 0627 | 16 0.16 95.98 0630 | 17 0.17 96.15 0789 | 2 0.02 96.17 0874 | 24 0.24 96.41 0875 | 3 0.03 96.44 0876 | 10 0.10 96.54 0877 | 7 0.07 96.61 0912 | 18 0.18 96.79 0913 | 16 0.16 96.95 0915 | 36 0.36 97.31 0916 | 2 0.02 97.33 1032 | 8 0.08 97.41 1034 | 28 0.28 97.69 1036 | 19 0.19 97.88 1037 | 7 0.07 97.95 1040 | 1 0.01 97.96 1180 | 20 0.20 98.16 1264 | 1 0.01 98.17 1265 | 6 0.06 98.23 1371 | 3 0.03 98.26 1373 | 3 0.03 98.29 1374 | 1 0.01 98.30 1400 | 1 0.01 98.31 1479 | 4 0.04 98.35 1566 | 3 0.03 98.38 1568 | 2 0.02 98.40 1569 | 1 0.01 98.41 1671 | 3 0.03 98.44 1720 | 43 0.43 98.87 1723 | 1 0.01 98.88 1724 | 23 0.23 99.11 1725 | 9 0.09 99.20 1860 | 1 0.01 99.21 1940 | 26 0.26 99.47 1941 | 9 0.09 99.56 1943 | 8 0.08 99.64 1944 | 12 0.12 99.76 2000 | 15 0.15 99.91 2087 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016