Frequencies for first 10,000 rows of drugcl4 variable in nhamcsopd1994 dataset : drug class | for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,161 91.61 91.61 0117 | 1 0.01 91.62 0119 | 1 0.01 91.63 0281 | 1 0.01 91.64 0346 | 4 0.04 91.68 0347 | 6 0.06 91.74 0348 | 3 0.03 91.77 0350 | 1 0.01 91.78 0352 | 3 0.03 91.81 0353 | 7 0.07 91.88 0354 | 6 0.06 91.94 0355 | 2 0.02 91.96 0356 | 5 0.05 92.01 0358 | 5 0.05 92.06 0388 | 16 0.16 92.22 0408 | 10 0.10 92.32 0409 | 5 0.05 92.37 0410 | 1 0.01 92.38 0501 | 5 0.05 92.43 0502 | 17 0.17 92.60 0503 | 49 0.49 93.09 0504 | 2 0.02 93.11 0506 | 39 0.39 93.50 0507 | 39 0.39 93.89 0509 | 3 0.03 93.92 0626 | 10 0.10 94.02 0627 | 14 0.14 94.16 0628 | 24 0.24 94.40 0630 | 15 0.15 94.55 0631 | 1 0.01 94.56 0789 | 5 0.05 94.61 0874 | 42 0.42 95.03 0875 | 5 0.05 95.08 0876 | 12 0.12 95.20 0877 | 9 0.09 95.29 0912 | 22 0.22 95.51 0913 | 17 0.17 95.68 0914 | 4 0.04 95.72 0915 | 17 0.17 95.89 1032 | 21 0.21 96.10 1033 | 1 0.01 96.11 1034 | 5 0.05 96.16 1036 | 25 0.25 96.41 1037 | 12 0.12 96.53 1040 | 4 0.04 96.57 1180 | 33 0.33 96.90 1200 | 2 0.02 96.92 1265 | 26 0.26 97.18 1271 | 1 0.01 97.19 1371 | 10 0.10 97.29 1373 | 2 0.02 97.31 1374 | 13 0.13 97.44 1400 | 3 0.03 97.47 1479 | 7 0.07 97.54 1566 | 1 0.01 97.55 1567 | 3 0.03 97.58 1568 | 6 0.06 97.64 1569 | 2 0.02 97.66 1671 | 2 0.02 97.68 1720 | 60 0.60 98.28 1724 | 27 0.27 98.55 1725 | 2 0.02 98.57 1860 | 7 0.07 98.64 1900 | 1 0.01 98.65 1940 | 50 0.50 99.15 1941 | 6 0.06 99.21 1943 | 4 0.04 99.25 1944 | 17 0.17 99.42 2000 | 47 0.47 99.89 2087 | 11 0.11 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016