Frequencies for first 10,000 rows of drugcl6 variable in namcs1995 dataset : drug class | for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,572 95.72 95.72 0117 | 1 0.01 95.73 0119 | 4 0.04 95.77 0346 | 4 0.04 95.81 0347 | 6 0.06 95.87 0348 | 3 0.03 95.90 0350 | 5 0.05 95.95 0353 | 1 0.01 95.96 0354 | 1 0.01 95.97 0355 | 1 0.01 95.98 0357 | 2 0.02 96.00 0388 | 2 0.02 96.02 0408 | 4 0.04 96.06 0409 | 10 0.10 96.16 0501 | 5 0.05 96.21 0502 | 4 0.04 96.25 0503 | 14 0.14 96.39 0504 | 3 0.03 96.42 0506 | 8 0.08 96.50 0507 | 12 0.12 96.62 0509 | 1 0.01 96.63 0510 | 19 0.19 96.82 0512 | 13 0.13 96.95 0513 | 6 0.06 97.01 0514 | 13 0.13 97.14 0626 | 11 0.11 97.25 0627 | 11 0.11 97.36 0628 | 3 0.03 97.39 0630 | 10 0.10 97.49 0631 | 1 0.01 97.50 0874 | 28 0.28 97.78 0875 | 4 0.04 97.82 0876 | 3 0.03 97.85 0912 | 7 0.07 97.92 0913 | 11 0.11 98.03 0915 | 20 0.20 98.23 0917 | 1 0.01 98.24 1032 | 5 0.05 98.29 1034 | 19 0.19 98.48 1036 | 13 0.13 98.61 1037 | 8 0.08 98.69 1040 | 1 0.01 98.70 1180 | 5 0.05 98.75 1264 | 1 0.01 98.76 1268 | 5 0.05 98.81 1271 | 4 0.04 98.85 1373 | 8 0.08 98.93 1374 | 4 0.04 98.97 1480 | 1 0.01 98.98 1566 | 4 0.04 99.02 1568 | 1 0.01 99.03 1671 | 1 0.01 99.04 1721 | 4 0.04 99.08 1722 | 18 0.18 99.26 1723 | 2 0.02 99.28 1724 | 2 0.02 99.30 1725 | 4 0.04 99.34 1727 | 7 0.07 99.41 1940 | 36 0.36 99.77 1941 | 2 0.02 99.79 1943 | 4 0.04 99.83 1944 | 5 0.05 99.88 1947 | 7 0.07 99.95 2000 | 1 0.01 99.96 2087 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016