Frequencies for first 10,000 rows of drug8cl1 variable in namcs2004 dataset : ndc code #1 | for | medication | #8 | Freq. Percent Cum. ------------+----------------------------------- | 9,655 96.55 96.55 0118 | 1 0.01 96.56 0119 | 1 0.01 96.57 0346 | 1 0.01 96.58 0347 | 2 0.02 96.60 0350 | 1 0.01 96.61 0408 | 6 0.06 96.67 0409 | 4 0.04 96.71 0501 | 8 0.08 96.79 0503 | 9 0.09 96.88 0504 | 2 0.02 96.90 0506 | 17 0.17 97.07 0507 | 13 0.13 97.20 0510 | 7 0.07 97.27 0512 | 9 0.09 97.36 0513 | 6 0.06 97.42 0514 | 7 0.07 97.49 0626 | 8 0.08 97.57 0627 | 7 0.07 97.64 0628 | 3 0.03 97.67 0630 | 15 0.15 97.82 0631 | 2 0.02 97.84 0633 | 1 0.01 97.85 0874 | 22 0.22 98.07 0875 | 1 0.01 98.08 0876 | 1 0.01 98.09 0878 | 1 0.01 98.10 0879 | 2 0.02 98.12 0912 | 17 0.17 98.29 0913 | 25 0.25 98.54 0914 | 2 0.02 98.56 0915 | 16 0.16 98.72 0916 | 2 0.02 98.74 1032 | 3 0.03 98.77 1034 | 3 0.03 98.80 1036 | 15 0.15 98.95 1037 | 12 0.12 99.07 1181 | 2 0.02 99.09 1264 | 1 0.01 99.10 1268 | 2 0.02 99.12 1373 | 1 0.01 99.13 1374 | 5 0.05 99.18 1480 | 2 0.02 99.20 1481 | 1 0.01 99.21 1566 | 3 0.03 99.24 1568 | 1 0.01 99.25 1671 | 5 0.05 99.30 1721 | 12 0.12 99.42 1722 | 15 0.15 99.57 1723 | 2 0.02 99.59 1724 | 3 0.03 99.62 1725 | 5 0.05 99.67 1727 | 2 0.02 99.69 1940 | 13 0.13 99.82 1944 | 4 0.04 99.86 1947 | 2 0.02 99.88 2087 | 5 0.05 99.93 2100 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016