Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsopd1995 dataset : ingredient | code #1 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,952 99.52 99.52 50005 | 11 0.11 99.63 50103 | 1 0.01 99.64 50230 | 1 0.01 99.65 50410 | 1 0.01 99.66 50460 | 1 0.01 99.67 50585 | 2 0.02 99.69 50770 | 3 0.03 99.72 50785 | 1 0.01 99.73 50811 | 1 0.01 99.74 50899 | 1 0.01 99.75 50900 | 1 0.01 99.76 50933 | 1 0.01 99.77 51018 | 1 0.01 99.78 51130 | 1 0.01 99.79 51335 | 1 0.01 99.80 52045 | 1 0.01 99.81 52645 | 3 0.03 99.84 52885 | 1 0.01 99.85 52990 | 1 0.01 99.86 53780 | 4 0.04 99.90 55555 | 7 0.07 99.97 56345 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016