Frequencies for first 10,000 rows of drugcl6 variable in nhamcsed1998 dataset : drug class | for drug #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,806 98.06 98.06 0117 | 1 0.01 98.07 0119 | 3 0.03 98.10 0347 | 3 0.03 98.13 0348 | 2 0.02 98.15 0350 | 1 0.01 98.16 0352 | 1 0.01 98.17 0353 | 1 0.01 98.18 0355 | 2 0.02 98.20 0357 | 2 0.02 98.22 0358 | 2 0.02 98.24 0388 | 3 0.03 98.27 0408 | 1 0.01 98.28 0409 | 11 0.11 98.39 0501 | 2 0.02 98.41 0502 | 1 0.01 98.42 0503 | 7 0.07 98.49 0507 | 4 0.04 98.53 0509 | 1 0.01 98.54 0510 | 3 0.03 98.57 0512 | 4 0.04 98.61 0514 | 7 0.07 98.68 0626 | 2 0.02 98.70 0627 | 5 0.05 98.75 0630 | 5 0.05 98.80 0635 | 3 0.03 98.83 0789 | 1 0.01 98.84 0800 | 1 0.01 98.85 0874 | 15 0.15 99.00 0875 | 4 0.04 99.04 0876 | 4 0.04 99.08 0878 | 1 0.01 99.09 0912 | 1 0.01 99.10 0913 | 7 0.07 99.17 0915 | 6 0.06 99.23 0916 | 1 0.01 99.24 1032 | 4 0.04 99.28 1034 | 2 0.02 99.30 1036 | 3 0.03 99.33 1037 | 1 0.01 99.34 1040 | 1 0.01 99.35 1180 | 2 0.02 99.37 1268 | 1 0.01 99.38 1275 | 1 0.01 99.39 1371 | 2 0.02 99.41 1373 | 2 0.02 99.43 1374 | 5 0.05 99.48 1566 | 1 0.01 99.49 1721 | 8 0.08 99.57 1722 | 12 0.12 99.69 1725 | 1 0.01 99.70 1727 | 5 0.05 99.75 1940 | 14 0.14 99.89 1941 | 1 0.01 99.90 1943 | 1 0.01 99.91 1944 | 3 0.03 99.94 1947 | 3 0.03 99.97 2087 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016