Frequencies for first 10,000 rows of drugcl4 variable in namcs1994 dataset : drug class | for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 8,840 88.40 88.40 0117 | 1 0.01 88.41 0119 | 2 0.02 88.43 0346 | 4 0.04 88.47 0347 | 8 0.08 88.55 0348 | 12 0.12 88.67 0350 | 4 0.04 88.71 0353 | 2 0.02 88.73 0354 | 3 0.03 88.76 0355 | 4 0.04 88.80 0356 | 1 0.01 88.81 0358 | 1 0.01 88.82 0388 | 2 0.02 88.84 0408 | 13 0.13 88.97 0409 | 13 0.13 89.10 0411 | 1 0.01 89.11 0501 | 33 0.33 89.44 0502 | 23 0.23 89.67 0503 | 68 0.68 90.35 0504 | 8 0.08 90.43 0506 | 91 0.91 91.34 0507 | 74 0.74 92.08 0509 | 5 0.05 92.13 0626 | 6 0.06 92.19 0627 | 31 0.31 92.50 0628 | 9 0.09 92.59 0630 | 40 0.40 92.99 0631 | 1 0.01 93.00 0789 | 5 0.05 93.05 0874 | 46 0.46 93.51 0875 | 3 0.03 93.54 0876 | 3 0.03 93.57 0877 | 12 0.12 93.69 0912 | 24 0.24 93.93 0913 | 24 0.24 94.17 0914 | 1 0.01 94.18 0915 | 49 0.49 94.67 1032 | 27 0.27 94.94 1033 | 4 0.04 94.98 1034 | 28 0.28 95.26 1035 | 1 0.01 95.27 1036 | 32 0.32 95.59 1037 | 20 0.20 95.79 1040 | 3 0.03 95.82 1180 | 55 0.55 96.37 1200 | 1 0.01 96.38 1264 | 1 0.01 96.39 1265 | 14 0.14 96.53 1371 | 3 0.03 96.56 1373 | 10 0.10 96.66 1374 | 10 0.10 96.76 1479 | 4 0.04 96.80 1566 | 3 0.03 96.83 1568 | 4 0.04 96.87 1569 | 1 0.01 96.88 1670 | 1 0.01 96.89 1671 | 2 0.02 96.91 1700 | 1 0.01 96.92 1720 | 90 0.90 97.82 1723 | 5 0.05 97.87 1724 | 36 0.36 98.23 1725 | 15 0.15 98.38 1860 | 6 0.06 98.44 1940 | 49 0.49 98.93 1941 | 13 0.13 99.06 1943 | 13 0.13 99.19 1944 | 18 0.18 99.37 1945 | 2 0.02 99.39 2000 | 32 0.32 99.71 2087 | 29 0.29 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016