Frequencies for first 10,000 rows of dbirwt variable in natl1972 dataset : Birthweight | Freq. Percent Cum. ------------+----------------------------------- 454 | 1 0.01 0.01 482 | 1 0.01 0.02 510 | 1 0.01 0.03 539 | 1 0.01 0.04 567 | 1 0.01 0.05 612 | 1 0.01 0.06 652 | 4 0.04 0.10 680 | 5 0.05 0.15 709 | 5 0.05 0.20 714 | 1 0.01 0.21 737 | 2 0.02 0.23 765 | 3 0.03 0.26 794 | 4 0.04 0.30 804 | 1 0.01 0.31 812 | 1 0.01 0.32 822 | 1 0.01 0.33 851 | 2 0.02 0.35 879 | 1 0.01 0.36 907 | 4 0.04 0.40 936 | 1 0.01 0.41 964 | 2 0.02 0.43 992 | 1 0.01 0.44 1021 | 3 0.03 0.47 1049 | 1 0.01 0.48 1077 | 1 0.01 0.49 1106 | 1 0.01 0.50 1134 | 5 0.05 0.55 1162 | 2 0.02 0.57 1191 | 3 0.03 0.60 1219 | 3 0.03 0.63 1247 | 9 0.09 0.72 1276 | 3 0.03 0.75 1304 | 5 0.05 0.80 1332 | 2 0.02 0.82 1361 | 4 0.04 0.86 1418 | 4 0.04 0.90 1446 | 2 0.02 0.92 1474 | 6 0.06 0.98 1503 | 3 0.03 1.01 1531 | 3 0.03 1.04 1559 | 5 0.05 1.09 1588 | 3 0.03 1.12 1616 | 6 0.06 1.18 1644 | 8 0.08 1.26 1673 | 10 0.10 1.36 1701 | 11 0.11 1.47 1729 | 3 0.03 1.50 1758 | 3 0.03 1.53 1786 | 7 0.07 1.60 1814 | 16 0.16 1.76 1843 | 4 0.04 1.80 1871 | 11 0.11 1.91 1899 | 9 0.09 2.00 1928 | 10 0.10 2.10 1956 | 18 0.18 2.28 1985 | 15 0.15 2.43 2013 | 14 0.14 2.57 2041 | 11 0.11 2.68 2070 | 16 0.16 2.84 2098 | 14 0.14 2.98 2126 | 16 0.16 3.14 2155 | 20 0.20 3.34 2183 | 19 0.19 3.53 2211 | 23 0.23 3.76 2240 | 15 0.15 3.91 2268 | 35 0.35 4.26 2296 | 27 0.27 4.53 2325 | 32 0.32 4.85 2353 | 31 0.31 5.16 2381 | 34 0.34 5.50 2410 | 39 0.39 5.89 2438 | 60 0.60 6.49 2466 | 36 0.36 6.85 2495 | 79 0.79 7.64 2523 | 59 0.59 8.23 2552 | 58 0.58 8.81 2580 | 73 0.73 9.54 2608 | 77 0.77 10.31 2637 | 89 0.89 11.20 2665 | 73 0.73 11.93 2693 | 89 0.89 12.82 2722 | 170 1.70 14.52 2750 | 119 1.19 15.71 2778 | 135 1.35 17.06 2807 | 122 1.22 18.28 2835 | 134 1.34 19.62 2863 | 120 1.20 20.82 2892 | 149 1.49 22.31 2920 | 133 1.33 23.64 2948 | 214 2.14 25.78 2977 | 161 1.61 27.39 3005 | 179 1.79 29.18 3033 | 163 1.63 30.81 3062 | 230 2.30 33.11 3090 | 171 1.71 34.82 3119 | 227 2.27 37.09 3147 | 148 1.48 38.57 3175 | 277 2.77 41.34 3204 | 201 2.01 43.35 3232 | 226 2.26 45.61 3260 | 234 2.34 47.95 3289 | 264 2.64 50.59 3317 | 199 1.99 52.58 3345 | 206 2.06 54.64 3374 | 179 1.79 56.43 3402 | 279 2.79 59.22 3430 | 181 1.81 61.03 3459 | 173 1.73 62.76 3487 | 185 1.85 64.61 3515 | 219 2.19 66.80 3544 | 204 2.04 68.84 3572 | 166 1.66 70.50 3600 | 182 1.82 72.32 3629 | 249 2.49 74.81 3657 | 156 1.56 76.37 3686 | 158 1.58 77.95 3714 | 131 1.31 79.26 3742 | 140 1.40 80.66 3771 | 129 1.29 81.95 3799 | 109 1.09 83.04 3827 | 112 1.12 84.16 3856 | 160 1.60 85.76 3884 | 118 1.18 86.94 3912 | 110 1.10 88.04 3941 | 105 1.05 89.09 3969 | 88 0.88 89.97 3997 | 73 0.73 90.70 4026 | 65 0.65 91.35 4054 | 50 0.50 91.85 4082 | 116 1.16 93.01 4111 | 62 0.62 93.63 4139 | 52 0.52 94.15 4167 | 42 0.42 94.57 4196 | 49 0.49 95.06 4224 | 45 0.45 95.51 4253 | 35 0.35 95.86 4281 | 44 0.44 96.30 4309 | 35 0.35 96.65 4338 | 40 0.40 97.05 4366 | 27 0.27 97.32 4394 | 26 0.26 97.58 4423 | 33 0.33 97.91 4451 | 16 0.16 98.07 4479 | 18 0.18 98.25 4508 | 12 0.12 98.37 4536 | 30 0.30 98.67 4564 | 8 0.08 98.75 4593 | 7 0.07 98.82 4621 | 9 0.09 98.91 4649 | 7 0.07 98.98 4678 | 4 0.04 99.02 4706 | 2 0.02 99.04 4734 | 8 0.08 99.12 4763 | 9 0.09 99.21 4791 | 3 0.03 99.24 4820 | 9 0.09 99.33 4848 | 4 0.04 99.37 4876 | 2 0.02 99.39 4905 | 3 0.03 99.42 4933 | 7 0.07 99.49 4961 | 1 0.01 99.50 4990 | 5 0.05 99.55 5018 | 1 0.01 99.56 5046 | 3 0.03 99.59 5075 | 1 0.01 99.60 5131 | 4 0.04 99.64 5301 | 2 0.02 99.66 5358 | 1 0.01 99.67 5500 | 1 0.01 99.68 5528 | 1 0.01 99.69 5557 | 1 0.01 99.70 9999 | 30 0.30 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016