Frequencies for first 10,000 rows of drugid18 variable in namcs2014 dataset : Drug ID for | medication | #18 | Freq. Percent Cum. ------------+----------------------------------- | 9,876 98.76 98.76 a10928 | 1 0.01 98.77 a10988 | 1 0.01 98.78 a11730 | 2 0.02 98.80 a50770 | 3 0.03 98.83 a70699 | 1 0.01 98.84 c00025 | 1 0.01 98.85 c00110 | 1 0.01 98.86 c00363 | 1 0.01 98.87 d00004 | 1 0.01 98.88 d00021 | 1 0.01 98.89 d00024 | 1 0.01 98.90 d00044 | 1 0.01 98.91 d00059 | 1 0.01 98.92 d00070 | 2 0.02 98.94 d00132 | 1 0.01 98.95 d00134 | 2 0.02 98.97 d00141 | 1 0.01 98.98 d00149 | 1 0.01 98.99 d00168 | 3 0.03 99.02 d00170 | 3 0.03 99.05 d00197 | 1 0.01 99.06 d00223 | 1 0.01 99.07 d00265 | 1 0.01 99.08 d00269 | 1 0.01 99.09 d00278 | 2 0.02 99.11 d00298 | 1 0.01 99.12 d00299 | 1 0.01 99.13 d00321 | 1 0.01 99.14 d00325 | 1 0.01 99.15 d00329 | 1 0.01 99.16 d00337 | 1 0.01 99.17 d00345 | 2 0.02 99.19 d00373 | 1 0.01 99.20 d00426 | 3 0.03 99.23 d00485 | 1 0.01 99.24 d00497 | 2 0.02 99.26 d00537 | 1 0.01 99.27 d00563 | 1 0.01 99.28 d00608 | 1 0.01 99.29 d00689 | 1 0.01 99.30 d00732 | 1 0.01 99.31 d00746 | 2 0.02 99.33 d00749 | 4 0.04 99.37 d00772 | 1 0.01 99.38 d00848 | 1 0.01 99.39 d00859 | 2 0.02 99.41 d00867 | 3 0.03 99.44 d00880 | 1 0.01 99.45 d00907 | 1 0.01 99.46 d00963 | 1 0.01 99.47 d01013 | 1 0.01 99.48 d01021 | 1 0.01 99.49 d01133 | 1 0.01 99.50 d01171 | 1 0.01 99.51 d03050 | 1 0.01 99.52 d03128 | 1 0.01 99.53 d03129 | 2 0.02 99.55 d03140 | 3 0.03 99.58 d03431 | 1 0.01 99.59 d03768 | 1 0.01 99.60 d03826 | 5 0.05 99.65 d03827 | 1 0.01 99.66 d03847 | 2 0.02 99.68 d04057 | 1 0.01 99.69 d04058 | 2 0.02 99.71 d04105 | 3 0.03 99.74 d04253 | 1 0.01 99.75 d04279 | 1 0.01 99.76 d04286 | 2 0.02 99.78 d04289 | 2 0.02 99.80 d04362 | 1 0.01 99.81 d04399 | 1 0.01 99.82 d04427 | 1 0.01 99.83 d04441 | 1 0.01 99.84 d04448 | 1 0.01 99.85 d04500 | 1 0.01 99.86 d04523 | 1 0.01 99.87 d04532 | 1 0.01 99.88 d04538 | 2 0.02 99.90 d04697 | 1 0.01 99.91 d04829 | 1 0.01 99.92 d04893 | 1 0.01 99.93 d05218 | 1 0.01 99.94 d05851 | 1 0.01 99.95 d06848 | 1 0.01 99.96 d06860 | 1 0.01 99.97 d07754 | 1 0.01 99.98 d07767 | 1 0.01 99.99 d07876 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017