Frequencies for first 10,000 rows of drugcl3 variable in namcs1993 dataset : drug class | for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 8,183 81.83 81.83 0117 | 3 0.03 81.86 0119 | 1 0.01 81.87 0281 | 2 0.02 81.89 0346 | 22 0.22 82.11 0347 | 19 0.19 82.30 0348 | 25 0.25 82.55 0350 | 14 0.14 82.69 0353 | 7 0.07 82.76 0354 | 6 0.06 82.82 0355 | 4 0.04 82.86 0356 | 1 0.01 82.87 0358 | 3 0.03 82.90 0388 | 1 0.01 82.91 0408 | 21 0.21 83.12 0409 | 14 0.14 83.26 0410 | 1 0.01 83.27 0501 | 35 0.35 83.62 0502 | 23 0.23 83.85 0503 | 74 0.74 84.59 0504 | 9 0.09 84.68 0506 | 117 1.17 85.85 0507 | 92 0.92 86.77 0509 | 5 0.05 86.82 0626 | 13 0.13 86.95 0627 | 55 0.55 87.50 0628 | 8 0.08 87.58 0630 | 43 0.43 88.01 0631 | 2 0.02 88.03 0789 | 6 0.06 88.09 0874 | 76 0.76 88.85 0875 | 2 0.02 88.87 0876 | 10 0.10 88.97 0877 | 24 0.24 89.21 0912 | 32 0.32 89.53 0913 | 25 0.25 89.78 0914 | 2 0.02 89.80 0915 | 44 0.44 90.24 1032 | 47 0.47 90.71 1033 | 4 0.04 90.75 1034 | 38 0.38 91.13 1035 | 1 0.01 91.14 1036 | 29 0.29 91.43 1037 | 35 0.35 91.78 1040 | 7 0.07 91.85 1180 | 106 1.06 92.91 1181 | 1 0.01 92.92 1200 | 5 0.05 92.97 1264 | 1 0.01 92.98 1265 | 73 0.73 93.71 1371 | 3 0.03 93.74 1372 | 2 0.02 93.76 1373 | 20 0.20 93.96 1374 | 18 0.18 94.14 1400 | 3 0.03 94.17 1479 | 14 0.14 94.31 1566 | 4 0.04 94.35 1568 | 17 0.17 94.52 1569 | 2 0.02 94.54 1670 | 3 0.03 94.57 1671 | 7 0.07 94.64 1700 | 3 0.03 94.67 1720 | 139 1.39 96.06 1723 | 4 0.04 96.10 1724 | 72 0.72 96.82 1725 | 12 0.12 96.94 1860 | 2 0.02 96.96 1940 | 78 0.78 97.74 1941 | 45 0.45 98.19 1943 | 58 0.58 98.77 1944 | 42 0.42 99.19 2000 | 54 0.54 99.73 2087 | 27 0.27 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016