Frequencies for first 10,000 rows of drugcl5 variable in namcs1993 dataset : drug class | for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,490 94.90 94.90 0117 | 1 0.01 94.91 0346 | 2 0.02 94.93 0347 | 4 0.04 94.97 0348 | 3 0.03 95.00 0350 | 1 0.01 95.01 0352 | 1 0.01 95.02 0353 | 1 0.01 95.03 0355 | 5 0.05 95.08 0356 | 1 0.01 95.09 0358 | 2 0.02 95.11 0388 | 6 0.06 95.17 0408 | 7 0.07 95.24 0409 | 4 0.04 95.28 0501 | 10 0.10 95.38 0502 | 7 0.07 95.45 0503 | 34 0.34 95.79 0504 | 1 0.01 95.80 0506 | 24 0.24 96.04 0507 | 26 0.26 96.30 0509 | 2 0.02 96.32 0626 | 4 0.04 96.36 0627 | 12 0.12 96.48 0628 | 1 0.01 96.49 0630 | 17 0.17 96.66 0789 | 1 0.01 96.67 0874 | 24 0.24 96.91 0875 | 1 0.01 96.92 0876 | 4 0.04 96.96 0877 | 11 0.11 97.07 0912 | 13 0.13 97.20 0913 | 13 0.13 97.33 0915 | 22 0.22 97.55 1032 | 16 0.16 97.71 1033 | 1 0.01 97.72 1034 | 22 0.22 97.94 1035 | 1 0.01 97.95 1036 | 13 0.13 98.08 1037 | 13 0.13 98.21 1180 | 11 0.11 98.32 1200 | 1 0.01 98.33 1265 | 12 0.12 98.45 1371 | 1 0.01 98.46 1372 | 1 0.01 98.47 1373 | 4 0.04 98.51 1374 | 1 0.01 98.52 1479 | 2 0.02 98.54 1566 | 1 0.01 98.55 1568 | 1 0.01 98.56 1569 | 2 0.02 98.58 1671 | 6 0.06 98.64 1720 | 48 0.48 99.12 1724 | 22 0.22 99.34 1725 | 5 0.05 99.39 1860 | 2 0.02 99.41 1940 | 29 0.29 99.70 1941 | 4 0.04 99.74 1943 | 7 0.07 99.81 1944 | 8 0.08 99.89 2000 | 9 0.09 99.98 2087 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016