Frequencies for first 10,000 rows of amb13 variable in nhamcsopd1998 dataset : ambulatory | surg | procedure | #1 - 3 dgt | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,511 95.11 95.11 039 | 46 0.46 95.57 048 | 4 0.04 95.61 053 | 4 0.04 95.65 060 | 1 0.01 95.66 080 | 1 0.01 95.67 210 | 1 0.01 95.68 213 | 1 0.01 95.69 231 | 2 0.02 95.71 244 | 1 0.01 95.72 272 | 1 0.01 95.73 389 | 1 0.01 95.74 395 | 1 0.01 95.75 399 | 1 0.01 95.76 401 | 2 0.02 95.78 413 | 3 0.03 95.81 422 | 2 0.02 95.83 429 | 1 0.01 95.84 431 | 2 0.02 95.86 451 | 40 0.40 96.26 452 | 88 0.88 97.14 454 | 11 0.11 97.25 470 | 1 0.01 97.26 482 | 1 0.01 97.27 491 | 1 0.01 97.28 494 | 1 0.01 97.29 530 | 1 0.01 97.30 531 | 2 0.02 97.32 542 | 1 0.01 97.33 543 | 1 0.01 97.34 549 | 1 0.01 97.35 573 | 12 0.12 97.47 579 | 1 0.01 97.48 597 | 1 0.01 97.49 601 | 4 0.04 97.53 670 | 1 0.01 97.54 671 | 1 0.01 97.55 672 | 1 0.01 97.56 673 | 4 0.04 97.60 681 | 3 0.03 97.63 690 | 5 0.05 97.68 695 | 1 0.01 97.69 697 | 1 0.01 97.70 702 | 8 0.08 97.78 712 | 1 0.01 97.79 751 | 14 0.14 97.93 792 | 1 0.01 97.94 809 | 1 0.01 97.95 819 | 13 0.13 98.08 851 | 1 0.01 98.09 859 | 2 0.02 98.11 860 | 6 0.06 98.17 861 | 6 0.06 98.23 862 | 94 0.94 99.17 863 | 15 0.15 99.32 864 | 1 0.01 99.33 865 | 15 0.15 99.48 892 | 1 0.01 99.49 893 | 5 0.05 99.54 895 | 1 0.01 99.55 935 | 1 0.01 99.56 951 | 1 0.01 99.57 960 | 1 0.01 99.58 962 | 1 0.01 99.59 965 | 1 0.01 99.60 973 | 4 0.04 99.64 976 | 3 0.03 99.67 977 | 1 0.01 99.68 978 | 28 0.28 99.96 982 | 1 0.01 99.97 992 | 1 0.01 99.98 999 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016