Frequencies for first 10,000 rows of drg6ing2 variable in nhamcsopd2001 dataset : ingredient | code #2 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,950 99.50 99.50 51290 | 1 0.01 99.51 51340 | 4 0.04 99.55 51560 | 1 0.01 99.56 52650 | 1 0.01 99.57 53050 | 1 0.01 99.58 53220 | 1 0.01 99.59 53280 | 2 0.02 99.61 53635 | 1 0.01 99.62 53650 | 1 0.01 99.63 53720 | 1 0.01 99.64 53820 | 1 0.01 99.65 54094 | 6 0.06 99.71 54915 | 1 0.01 99.72 54960 | 1 0.01 99.73 54990 | 1 0.01 99.74 55997 | 10 0.10 99.84 56194 | 1 0.01 99.85 56195 | 2 0.02 99.87 57130 | 1 0.01 99.88 57146 | 2 0.02 99.90 57192 | 1 0.01 99.91 70011 | 1 0.01 99.92 70120 | 1 0.01 99.93 70217 | 1 0.01 99.94 70341 | 1 0.01 99.95 70359 | 4 0.04 99.99 80007 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016