Frequencies for first 10,000 rows of amb23d variable in nhamcsopd1992 dataset : amb23d | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,892 98.92 98.92 082 | 2 0.02 98.94 134 | 1 0.01 98.95 137 | 28 0.28 99.23 201 | 1 0.01 99.24 283 | 1 0.01 99.25 314 | 1 0.01 99.26 332 | 1 0.01 99.27 428 | 1 0.01 99.28 429 | 4 0.04 99.32 441 | 2 0.02 99.34 442 | 1 0.01 99.35 451 | 1 0.01 99.36 452 | 3 0.03 99.39 454 | 4 0.04 99.43 494 | 1 0.01 99.44 530 | 3 0.03 99.47 539 | 1 0.01 99.48 542 | 1 0.01 99.49 545 | 1 0.01 99.50 586 | 1 0.01 99.51 656 | 3 0.03 99.54 659 | 1 0.01 99.55 670 | 1 0.01 99.56 671 | 9 0.09 99.65 673 | 2 0.02 99.67 681 | 2 0.02 99.69 690 | 3 0.03 99.72 702 | 3 0.03 99.75 703 | 1 0.01 99.76 784 | 1 0.01 99.77 786 | 1 0.01 99.78 806 | 2 0.02 99.80 818 | 1 0.01 99.81 822 | 2 0.02 99.83 851 | 1 0.01 99.84 852 | 1 0.01 99.85 861 | 3 0.03 99.88 863 | 3 0.03 99.91 865 | 2 0.02 99.93 935 | 5 0.05 99.98 965 | 1 0.01 99.99 999 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016