Frequencies for first 10,000 rows of drug1cl2 variable in nhamcsopd2002 dataset : drug class | #2 for | medication | #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,597 95.97 95.97 0120 | 5 0.05 96.02 0353 | 2 0.02 96.04 0358 | 1 0.01 96.05 0507 | 14 0.14 96.19 0510 | 2 0.02 96.21 0512 | 16 0.16 96.37 0513 | 9 0.09 96.46 0874 | 1 0.01 96.47 0875 | 14 0.14 96.61 0876 | 1 0.01 96.62 0877 | 1 0.01 96.63 0878 | 3 0.03 96.66 0913 | 7 0.07 96.73 0914 | 1 0.01 96.74 0916 | 8 0.08 96.82 1036 | 1 0.01 96.83 1040 | 10 0.10 96.93 1200 | 1 0.01 96.94 1265 | 20 0.20 97.14 1268 | 2 0.02 97.16 1271 | 1 0.01 97.17 1272 | 1 0.01 97.18 1274 | 3 0.03 97.21 1275 | 17 0.17 97.38 1373 | 14 0.14 97.52 1479 | 1 0.01 97.53 1480 | 10 0.10 97.63 1568 | 3 0.03 97.66 1569 | 7 0.07 97.73 1671 | 11 0.11 97.84 1721 | 2 0.02 97.86 1722 | 3 0.03 97.89 1723 | 2 0.02 97.91 1724 | 59 0.59 98.50 1727 | 12 0.12 98.62 1728 | 119 1.19 99.81 1940 | 1 0.01 99.82 1943 | 6 0.06 99.88 1944 | 5 0.05 99.93 1945 | 2 0.02 99.95 1947 | 2 0.02 99.97 2095 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016