Frequencies for first 10,000 rows of digsc23d variable in nhamcsopd2008 dataset : diagnostic | service #2 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,558 95.58 95.58 681 | 1 0.01 95.59 751 | 1 0.01 95.60 753 | 12 0.12 95.72 851 | 1 0.01 95.73 861 | 3 0.03 95.76 870 | 1 0.01 95.77 872 | 3 0.03 95.80 873 | 1 0.01 95.81 876 | 2 0.02 95.83 883 | 1 0.01 95.84 884 | 4 0.04 95.88 885 | 4 0.04 95.92 887 | 10 0.10 96.02 889 | 1 0.01 96.03 890 | 2 0.02 96.05 891 | 58 0.58 96.63 892 | 1 0.01 96.64 893 | 64 0.64 97.28 895 | 7 0.07 97.35 897 | 40 0.40 97.75 903 | 9 0.09 97.84 904 | 2 0.02 97.86 909 | 1 0.01 97.87 913 | 5 0.05 97.92 914 | 6 0.06 97.98 919 | 4 0.04 98.02 920 | 5 0.05 98.07 930 | 3 0.03 98.10 939 | 7 0.07 98.17 940 | 3 0.03 98.20 941 | 4 0.04 98.24 950 | 148 1.48 99.72 951 | 2 0.02 99.74 954 | 18 0.18 99.92 963 | 1 0.01 99.93 965 | 1 0.01 99.94 999 | 6 0.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016