Frequencies for first 10,000 rows of dbirwt variable in natl1983 dataset : Birthweight | Freq. Percent Cum. ------------+----------------------------------- 454 | 2 0.02 0.02 482 | 3 0.03 0.05 510 | 4 0.04 0.09 539 | 1 0.01 0.10 567 | 1 0.01 0.11 595 | 1 0.01 0.12 624 | 3 0.03 0.15 652 | 2 0.02 0.17 680 | 3 0.03 0.20 709 | 1 0.01 0.21 737 | 1 0.01 0.22 765 | 8 0.08 0.30 794 | 6 0.06 0.36 822 | 4 0.04 0.40 851 | 4 0.04 0.44 879 | 3 0.03 0.47 907 | 5 0.05 0.52 936 | 1 0.01 0.53 964 | 8 0.08 0.61 992 | 2 0.02 0.63 1021 | 1 0.01 0.64 1049 | 6 0.06 0.70 1077 | 3 0.03 0.73 1106 | 3 0.03 0.76 1134 | 4 0.04 0.80 1162 | 2 0.02 0.82 1191 | 5 0.05 0.87 1219 | 3 0.03 0.90 1247 | 4 0.04 0.94 1276 | 4 0.04 0.98 1304 | 5 0.05 1.03 1332 | 4 0.04 1.07 1361 | 4 0.04 1.11 1389 | 3 0.03 1.14 1418 | 4 0.04 1.18 1446 | 3 0.03 1.21 1474 | 4 0.04 1.25 1503 | 5 0.05 1.30 1531 | 6 0.06 1.36 1559 | 6 0.06 1.42 1588 | 5 0.05 1.47 1616 | 7 0.07 1.54 1644 | 7 0.07 1.61 1673 | 6 0.06 1.67 1701 | 10 0.10 1.77 1729 | 8 0.08 1.85 1758 | 10 0.10 1.95 1786 | 9 0.09 2.04 1814 | 14 0.14 2.18 1843 | 9 0.09 2.27 1871 | 10 0.10 2.37 1899 | 8 0.08 2.45 1928 | 14 0.14 2.59 1956 | 10 0.10 2.69 1985 | 9 0.09 2.78 2013 | 9 0.09 2.87 2041 | 13 0.13 3.00 2070 | 11 0.11 3.11 2098 | 24 0.24 3.35 2126 | 17 0.17 3.52 2155 | 19 0.19 3.71 2183 | 21 0.21 3.92 2211 | 19 0.19 4.11 2240 | 15 0.15 4.26 2268 | 30 0.30 4.56 2296 | 27 0.27 4.83 2325 | 23 0.23 5.06 2353 | 43 0.43 5.49 2381 | 35 0.35 5.84 2410 | 28 0.28 6.12 2438 | 56 0.56 6.68 2466 | 43 0.43 7.11 2495 | 55 0.55 7.66 2523 | 53 0.53 8.19 2552 | 55 0.55 8.74 2580 | 63 0.63 9.37 2608 | 71 0.71 10.08 2637 | 79 0.79 10.87 2665 | 85 0.85 11.72 2693 | 57 0.57 12.29 2722 | 107 1.07 13.36 2750 | 101 1.01 14.37 2778 | 95 0.95 15.32 2807 | 131 1.31 16.63 2835 | 139 1.39 18.02 2863 | 132 1.32 19.34 2892 | 130 1.30 20.64 2920 | 138 1.38 22.02 2948 | 160 1.60 23.62 2977 | 156 1.56 25.18 3005 | 180 1.80 26.98 3033 | 162 1.62 28.60 3062 | 181 1.81 30.41 3090 | 176 1.76 32.17 3119 | 194 1.94 34.11 3147 | 169 1.69 35.80 3175 | 223 2.23 38.03 3204 | 193 1.93 39.96 3232 | 198 1.98 41.94 3260 | 204 2.04 43.98 3289 | 188 1.88 45.86 3317 | 200 2.00 47.86 3345 | 236 2.36 50.22 3374 | 203 2.03 52.25 3402 | 237 2.37 54.62 3430 | 197 1.97 56.59 3459 | 233 2.33 58.92 3487 | 203 2.03 60.95 3515 | 233 2.33 63.28 3544 | 201 2.01 65.29 3572 | 225 2.25 67.54 3600 | 195 1.95 69.49 3629 | 191 1.91 71.40 3657 | 141 1.41 72.81 3686 | 193 1.93 74.74 3714 | 148 1.48 76.22 3742 | 194 1.94 78.16 3771 | 136 1.36 79.52 3799 | 143 1.43 80.95 3827 | 131 1.31 82.26 3856 | 141 1.41 83.67 3884 | 115 1.15 84.82 3912 | 116 1.16 85.98 3941 | 103 1.03 87.01 3969 | 116 1.16 88.17 3997 | 100 1.00 89.17 4026 | 84 0.84 90.01 4054 | 80 0.80 90.81 4082 | 102 1.02 91.83 4111 | 59 0.59 92.42 4139 | 76 0.76 93.18 4167 | 66 0.66 93.84 4196 | 81 0.81 94.65 4224 | 49 0.49 95.14 4253 | 41 0.41 95.55 4281 | 31 0.31 95.86 4309 | 47 0.47 96.33 4338 | 32 0.32 96.65 4366 | 30 0.30 96.95 4394 | 39 0.39 97.34 4423 | 22 0.22 97.56 4451 | 19 0.19 97.75 4479 | 26 0.26 98.01 4508 | 23 0.23 98.24 4536 | 16 0.16 98.40 4564 | 17 0.17 98.57 4593 | 17 0.17 98.74 4621 | 13 0.13 98.87 4649 | 7 0.07 98.94 4678 | 6 0.06 99.00 4706 | 13 0.13 99.13 4734 | 16 0.16 99.29 4763 | 7 0.07 99.36 4791 | 6 0.06 99.42 4820 | 4 0.04 99.46 4848 | 4 0.04 99.50 4876 | 4 0.04 99.54 4905 | 6 0.06 99.60 4933 | 2 0.02 99.62 4961 | 6 0.06 99.68 4990 | 5 0.05 99.73 5046 | 4 0.04 99.77 5103 | 2 0.02 99.79 5131 | 3 0.03 99.82 5160 | 3 0.03 99.85 5188 | 1 0.01 99.86 5216 | 1 0.01 99.87 5245 | 1 0.01 99.88 5301 | 2 0.02 99.90 5358 | 1 0.01 99.91 5387 | 1 0.01 99.92 5443 | 1 0.01 99.93 5585 | 2 0.02 99.95 9999 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016