Frequencies for first 10,000 rows of amb13 variable in namcs1998 dataset : ambulatory | surg | procedure | #1 - 3 dgt | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,726 97.26 97.26 039 | 1 0.01 97.27 040 | 1 0.01 97.28 060 | 1 0.01 97.29 061 | 1 0.01 97.30 127 | 1 0.01 97.31 182 | 2 0.02 97.33 211 | 1 0.01 97.34 212 | 1 0.01 97.35 259 | 1 0.01 97.36 314 | 1 0.01 97.37 349 | 1 0.01 97.38 389 | 1 0.01 97.39 399 | 9 0.09 97.48 401 | 1 0.01 97.49 451 | 1 0.01 97.50 452 | 7 0.07 97.57 480 | 1 0.01 97.58 482 | 2 0.02 97.60 483 | 1 0.01 97.61 492 | 1 0.01 97.62 494 | 2 0.02 97.64 512 | 3 0.03 97.67 530 | 2 0.02 97.69 531 | 2 0.02 97.71 534 | 2 0.02 97.73 542 | 1 0.01 97.74 552 | 1 0.01 97.75 573 | 6 0.06 97.81 640 | 2 0.02 97.83 673 | 1 0.01 97.84 681 | 1 0.01 97.85 695 | 2 0.02 97.87 697 | 1 0.01 97.88 702 | 3 0.03 97.91 703 | 1 0.01 97.92 713 | 1 0.01 97.93 718 | 1 0.01 97.94 819 | 6 0.06 98.00 833 | 1 0.01 98.01 839 | 1 0.01 98.02 850 | 1 0.01 98.03 851 | 7 0.07 98.10 852 | 1 0.01 98.11 859 | 4 0.04 98.15 860 | 15 0.15 98.30 861 | 11 0.11 98.41 862 | 25 0.25 98.66 863 | 75 0.75 99.41 865 | 9 0.09 99.50 892 | 1 0.01 99.51 893 | 1 0.01 99.52 897 | 1 0.01 99.53 935 | 5 0.05 99.58 944 | 1 0.01 99.59 963 | 2 0.02 99.61 965 | 11 0.11 99.72 970 | 1 0.01 99.73 973 | 5 0.05 99.78 975 | 1 0.01 99.79 977 | 1 0.01 99.80 978 | 12 0.12 99.92 981 | 1 0.01 99.93 985 | 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