Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsed2000 dataset : ingredient | code #1 for | drug #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,955 99.55 99.55 50005 | 18 0.18 99.73 50088 | 1 0.01 99.74 50145 | 6 0.06 99.80 50260 | 1 0.01 99.81 50275 | 1 0.01 99.82 50420 | 3 0.03 99.85 50899 | 1 0.01 99.86 51130 | 2 0.02 99.88 51219 | 1 0.01 99.89 51235 | 1 0.01 99.90 51675 | 1 0.01 99.91 52450 | 1 0.01 99.92 52615 | 1 0.01 99.93 53780 | 2 0.02 99.95 53965 | 1 0.01 99.96 54385 | 1 0.01 99.97 55555 | 2 0.02 99.99 55835 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016