Frequencies for first 10,000 rows of drugcl4 variable in nhamcsopd1993 dataset : drug class | for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,051 90.51 90.51 0117 | 4 0.04 90.55 0118 | 10 0.10 90.65 0119 | 16 0.16 90.81 0281 | 5 0.05 90.86 0346 | 10 0.10 90.96 0347 | 3 0.03 90.99 0348 | 7 0.07 91.06 0350 | 2 0.02 91.08 0353 | 9 0.09 91.17 0354 | 3 0.03 91.20 0356 | 8 0.08 91.28 0358 | 3 0.03 91.31 0388 | 12 0.12 91.43 0408 | 18 0.18 91.61 0409 | 4 0.04 91.65 0501 | 11 0.11 91.76 0502 | 8 0.08 91.84 0503 | 42 0.42 92.26 0504 | 7 0.07 92.33 0506 | 50 0.50 92.83 0507 | 48 0.48 93.31 0509 | 1 0.01 93.32 0626 | 9 0.09 93.41 0627 | 27 0.27 93.68 0628 | 9 0.09 93.77 0630 | 17 0.17 93.94 0789 | 7 0.07 94.01 0874 | 32 0.32 94.33 0875 | 4 0.04 94.37 0876 | 19 0.19 94.56 0877 | 5 0.05 94.61 0912 | 6 0.06 94.67 0913 | 26 0.26 94.93 0914 | 2 0.02 94.95 0915 | 12 0.12 95.07 0916 | 1 0.01 95.08 1032 | 16 0.16 95.24 1034 | 6 0.06 95.30 1035 | 1 0.01 95.31 1036 | 20 0.20 95.51 1037 | 9 0.09 95.60 1040 | 2 0.02 95.62 1180 | 47 0.47 96.09 1181 | 1 0.01 96.10 1200 | 6 0.06 96.16 1264 | 2 0.02 96.18 1265 | 32 0.32 96.50 1371 | 4 0.04 96.54 1372 | 1 0.01 96.55 1373 | 1 0.01 96.56 1374 | 7 0.07 96.63 1400 | 1 0.01 96.64 1479 | 8 0.08 96.72 1566 | 4 0.04 96.76 1567 | 3 0.03 96.79 1568 | 7 0.07 96.86 1569 | 6 0.06 96.92 1720 | 106 1.06 97.98 1723 | 1 0.01 97.99 1724 | 27 0.27 98.26 1725 | 2 0.02 98.28 1860 | 13 0.13 98.41 1940 | 45 0.45 98.86 1941 | 12 0.12 98.98 1943 | 2 0.02 99.00 1944 | 13 0.13 99.13 2000 | 76 0.76 99.89 2087 | 11 0.11 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016