Frequencies for first 10,000 rows of drg5ing2 variable in nhamcsopd1995 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,959 99.59 99.59 50575 | 1 0.01 99.60 50728 | 1 0.01 99.61 50745 | 1 0.01 99.62 51290 | 2 0.02 99.64 51305 | 1 0.01 99.65 51340 | 4 0.04 99.69 51708 | 1 0.01 99.70 51935 | 1 0.01 99.71 52355 | 1 0.01 99.72 52454 | 1 0.01 99.73 53003 | 1 0.01 99.74 53050 | 1 0.01 99.75 53600 | 1 0.01 99.76 53905 | 1 0.01 99.77 54320 | 1 0.01 99.78 54890 | 5 0.05 99.83 54960 | 1 0.01 99.84 55105 | 1 0.01 99.85 55491 | 1 0.01 99.86 55925 | 3 0.03 99.89 55997 | 7 0.07 99.96 56194 | 3 0.03 99.99 56710 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016