Frequencies for first 10,000 rows of amb13 variable in namcs2000 dataset : ambulatory | surg | procedure | #1 - 3 dgt | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,690 96.90 96.90 048 | 1 0.01 96.91 061 | 2 0.02 96.93 068 | 1 0.01 96.94 182 | 2 0.02 96.96 213 | 1 0.01 96.97 311 | 1 0.01 96.98 389 | 1 0.01 96.99 392 | 1 0.01 97.00 399 | 11 0.11 97.11 452 | 3 0.03 97.14 480 | 1 0.01 97.15 482 | 1 0.01 97.16 483 | 1 0.01 97.17 492 | 1 0.01 97.18 494 | 8 0.08 97.26 512 | 1 0.01 97.27 535 | 1 0.01 97.28 542 | 1 0.01 97.29 579 | 1 0.01 97.30 586 | 1 0.01 97.31 601 | 1 0.01 97.32 637 | 2 0.02 97.34 640 | 1 0.01 97.35 642 | 1 0.01 97.36 671 | 1 0.01 97.37 673 | 1 0.01 97.38 697 | 1 0.01 97.39 702 | 1 0.01 97.40 762 | 1 0.01 97.41 790 | 1 0.01 97.42 805 | 1 0.01 97.43 808 | 2 0.02 97.45 819 | 16 0.16 97.61 829 | 1 0.01 97.62 831 | 1 0.01 97.63 850 | 2 0.02 97.65 851 | 10 0.10 97.75 852 | 3 0.03 97.78 859 | 15 0.15 97.93 860 | 28 0.28 98.21 861 | 11 0.11 98.32 862 | 14 0.14 98.46 863 | 84 0.84 99.30 865 | 3 0.03 99.33 868 | 1 0.01 99.34 910 | 1 0.01 99.35 916 | 1 0.01 99.36 919 | 2 0.02 99.38 935 | 5 0.05 99.43 939 | 1 0.01 99.44 942 | 1 0.01 99.45 963 | 1 0.01 99.46 965 | 7 0.07 99.53 973 | 11 0.11 99.64 977 | 1 0.01 99.65 978 | 27 0.27 99.92 981 | 3 0.03 99.95 982 | 1 0.01 99.96 999 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016