Frequencies for first 10,000 rows of drg1ing3 variable in nhamcsopd1993 dataset : ingredient | code #3 for | medication | #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,874 98.74 98.74 50410 | 1 0.01 98.75 50637 | 5 0.05 98.80 50745 | 7 0.07 98.87 52035 | 1 0.01 98.88 52908 | 1 0.01 98.89 53175 | 2 0.02 98.91 53240 | 1 0.01 98.92 53328 | 1 0.01 98.93 53895 | 1 0.01 98.94 54050 | 1 0.01 98.95 54350 | 1 0.01 98.96 54395 | 2 0.02 98.98 54455 | 2 0.02 99.00 54465 | 14 0.14 99.14 54595 | 16 0.16 99.30 54655 | 1 0.01 99.31 54755 | 1 0.01 99.32 54990 | 2 0.02 99.34 54995 | 6 0.06 99.40 55105 | 1 0.01 99.41 55130 | 35 0.35 99.76 55160 | 2 0.02 99.78 55240 | 7 0.07 99.85 55580 | 1 0.01 99.86 55715 | 2 0.02 99.88 56193 | 1 0.01 99.89 56345 | 3 0.03 99.92 57028 | 4 0.04 99.96 57058 | 3 0.03 99.99 57122 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016