Frequencies for first 10,000 rows of proc53d variable in nhamcsopd1993 dataset : service #5 | procedure | code - 3 | digits | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,962 99.62 99.62 134 | 1 0.01 99.63 137 | 4 0.04 99.67 222 | 1 0.01 99.68 344 | 1 0.01 99.69 452 | 1 0.01 99.70 601 | 1 0.01 99.71 671 | 1 0.01 99.72 815 | 1 0.01 99.73 819 | 1 0.01 99.74 851 | 1 0.01 99.75 874 | 2 0.02 99.77 877 | 1 0.01 99.78 887 | 1 0.01 99.79 889 | 1 0.01 99.80 890 | 1 0.01 99.81 893 | 2 0.02 99.83 895 | 2 0.02 99.85 913 | 1 0.01 99.86 914 | 8 0.08 99.94 919 | 1 0.01 99.95 943 | 1 0.01 99.96 995 | 1 0.01 99.97 999 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016