Frequencies for first 10,000 rows of drug1cl2 variable in namcs2004 dataset : ndc code #2 | for | medication | #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,468 94.68 94.68 0120 | 3 0.03 94.71 0503 | 1 0.01 94.72 0507 | 12 0.12 94.84 0510 | 17 0.17 95.01 0512 | 31 0.31 95.32 0513 | 49 0.49 95.81 0630 | 1 0.01 95.82 0632 | 1 0.01 95.83 0875 | 4 0.04 95.87 0876 | 4 0.04 95.91 0877 | 1 0.01 95.92 0878 | 2 0.02 95.94 0913 | 5 0.05 95.99 0914 | 2 0.02 96.01 0915 | 1 0.01 96.02 0916 | 3 0.03 96.05 1034 | 1 0.01 96.06 1036 | 2 0.02 96.08 1040 | 2 0.02 96.10 1180 | 2 0.02 96.12 1183 | 4 0.04 96.16 1200 | 1 0.01 96.17 1265 | 26 0.26 96.43 1268 | 4 0.04 96.47 1270 | 2 0.02 96.49 1271 | 1 0.01 96.50 1274 | 1 0.01 96.51 1275 | 23 0.23 96.74 1373 | 13 0.13 96.87 1480 | 13 0.13 97.00 1567 | 1 0.01 97.01 1568 | 7 0.07 97.08 1569 | 8 0.08 97.16 1671 | 18 0.18 97.34 1721 | 8 0.08 97.42 1722 | 3 0.03 97.45 1723 | 3 0.03 97.48 1724 | 76 0.76 98.24 1727 | 78 0.78 99.02 1728 | 52 0.52 99.54 1860 | 1 0.01 99.55 1943 | 18 0.18 99.73 1944 | 9 0.09 99.82 1945 | 3 0.03 99.85 1947 | 12 0.12 99.97 2095 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016