Frequencies for first 10,000 rows of drugcl6 variable in nhamcsed1996 dataset : drug class | for drug #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,738 97.38 97.38 0117 | 1 0.01 97.39 0119 | 5 0.05 97.44 0346 | 4 0.04 97.48 0347 | 7 0.07 97.55 0348 | 1 0.01 97.56 0350 | 1 0.01 97.57 0353 | 3 0.03 97.60 0355 | 1 0.01 97.61 0357 | 1 0.01 97.62 0388 | 1 0.01 97.63 0408 | 1 0.01 97.64 0409 | 7 0.07 97.71 0501 | 1 0.01 97.72 0502 | 1 0.01 97.73 0503 | 5 0.05 97.78 0504 | 1 0.01 97.79 0505 | 1 0.01 97.80 0506 | 2 0.02 97.82 0507 | 13 0.13 97.95 0508 | 1 0.01 97.96 0510 | 10 0.10 98.06 0512 | 3 0.03 98.09 0513 | 4 0.04 98.13 0514 | 8 0.08 98.21 0626 | 4 0.04 98.25 0627 | 10 0.10 98.35 0628 | 1 0.01 98.36 0630 | 10 0.10 98.46 0635 | 1 0.01 98.47 0874 | 12 0.12 98.59 0875 | 1 0.01 98.60 0876 | 2 0.02 98.62 0877 | 1 0.01 98.63 0878 | 2 0.02 98.65 0879 | 3 0.03 98.68 0912 | 4 0.04 98.72 0913 | 6 0.06 98.78 0915 | 9 0.09 98.87 0917 | 1 0.01 98.88 1032 | 6 0.06 98.94 1034 | 3 0.03 98.97 1036 | 5 0.05 99.02 1037 | 6 0.06 99.08 1039 | 1 0.01 99.09 1180 | 1 0.01 99.10 1265 | 2 0.02 99.12 1266 | 1 0.01 99.13 1268 | 2 0.02 99.15 1271 | 1 0.01 99.16 1373 | 2 0.02 99.18 1374 | 4 0.04 99.22 1480 | 1 0.01 99.23 1483 | 1 0.01 99.24 1566 | 1 0.01 99.25 1671 | 2 0.02 99.27 1721 | 8 0.08 99.35 1722 | 17 0.17 99.52 1725 | 2 0.02 99.54 1727 | 10 0.10 99.64 1940 | 20 0.20 99.84 1941 | 2 0.02 99.86 1944 | 4 0.04 99.90 1947 | 1 0.01 99.91 2087 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016