Frequencies for first 10,000 rows of dlfd variable in natl1983 dataset : Detail | Interval | Since Last | Fetal Death | Freq. Percent Cum. ------------+----------------------------------- 0 | 2 0.02 0.02 2 | 1 0.01 0.03 4 | 1 0.01 0.04 5 | 2 0.02 0.06 6 | 1 0.01 0.07 7 | 1 0.01 0.08 8 | 5 0.05 0.13 9 | 10 0.10 0.23 10 | 46 0.46 0.69 11 | 47 0.47 1.16 12 | 62 0.62 1.78 13 | 56 0.56 2.34 14 | 49 0.49 2.83 15 | 42 0.42 3.25 16 | 36 0.36 3.61 17 | 34 0.34 3.95 18 | 30 0.30 4.25 19 | 17 0.17 4.42 20 | 32 0.32 4.74 21 | 16 0.16 4.90 22 | 26 0.26 5.16 23 | 27 0.27 5.43 24 | 19 0.19 5.62 25 | 22 0.22 5.84 26 | 14 0.14 5.98 27 | 15 0.15 6.13 28 | 21 0.21 6.34 29 | 13 0.13 6.47 30 | 16 0.16 6.63 31 | 18 0.18 6.81 32 | 14 0.14 6.95 33 | 15 0.15 7.10 34 | 16 0.16 7.26 35 | 15 0.15 7.41 36 | 21 0.21 7.62 37 | 21 0.21 7.83 38 | 7 0.07 7.90 39 | 8 0.08 7.98 40 | 14 0.14 8.12 41 | 13 0.13 8.25 42 | 15 0.15 8.40 43 | 14 0.14 8.54 44 | 12 0.12 8.66 45 | 12 0.12 8.78 46 | 6 0.06 8.84 47 | 12 0.12 8.96 48 | 12 0.12 9.08 49 | 10 0.10 9.18 50 | 4 0.04 9.22 51 | 6 0.06 9.28 52 | 4 0.04 9.32 53 | 7 0.07 9.39 54 | 12 0.12 9.51 55 | 9 0.09 9.60 56 | 8 0.08 9.68 57 | 10 0.10 9.78 58 | 9 0.09 9.87 59 | 10 0.10 9.97 60 | 8 0.08 10.05 61 | 8 0.08 10.13 62 | 5 0.05 10.18 63 | 5 0.05 10.23 64 | 6 0.06 10.29 65 | 3 0.03 10.32 66 | 5 0.05 10.37 67 | 3 0.03 10.40 68 | 4 0.04 10.44 69 | 4 0.04 10.48 70 | 2 0.02 10.50 71 | 8 0.08 10.58 72 | 7 0.07 10.65 73 | 3 0.03 10.68 74 | 6 0.06 10.74 75 | 7 0.07 10.81 76 | 2 0.02 10.83 77 | 2 0.02 10.85 78 | 3 0.03 10.88 79 | 6 0.06 10.94 80 | 8 0.08 11.02 81 | 5 0.05 11.07 82 | 4 0.04 11.11 83 | 6 0.06 11.17 84 | 6 0.06 11.23 85 | 1 0.01 11.24 86 | 7 0.07 11.31 87 | 3 0.03 11.34 88 | 3 0.03 11.37 89 | 2 0.02 11.39 90 | 3 0.03 11.42 91 | 2 0.02 11.44 92 | 3 0.03 11.47 93 | 2 0.02 11.49 94 | 2 0.02 11.51 95 | 1 0.01 11.52 96 | 3 0.03 11.55 97 | 2 0.02 11.57 98 | 4 0.04 11.61 100 | 4 0.04 11.65 101 | 1 0.01 11.66 102 | 2 0.02 11.68 103 | 3 0.03 11.71 104 | 3 0.03 11.74 105 | 3 0.03 11.77 106 | 3 0.03 11.80 107 | 1 0.01 11.81 108 | 2 0.02 11.83 109 | 3 0.03 11.86 110 | 3 0.03 11.89 112 | 1 0.01 11.90 113 | 1 0.01 11.91 114 | 1 0.01 11.92 115 | 1 0.01 11.93 116 | 1 0.01 11.94 117 | 2 0.02 11.96 118 | 2 0.02 11.98 120 | 2 0.02 12.00 122 | 1 0.01 12.01 124 | 1 0.01 12.02 126 | 3 0.03 12.05 128 | 1 0.01 12.06 129 | 1 0.01 12.07 130 | 1 0.01 12.08 135 | 2 0.02 12.10 136 | 1 0.01 12.11 138 | 1 0.01 12.12 139 | 3 0.03 12.15 144 | 2 0.02 12.17 145 | 2 0.02 12.19 147 | 1 0.01 12.20 148 | 1 0.01 12.21 152 | 1 0.01 12.22 154 | 1 0.01 12.23 155 | 1 0.01 12.24 158 | 1 0.01 12.25 163 | 1 0.01 12.26 167 | 1 0.01 12.27 169 | 1 0.01 12.28 173 | 1 0.01 12.29 188 | 1 0.01 12.30 199 | 1 0.01 12.31 206 | 1 0.01 12.32 209 | 1 0.01 12.33 211 | 1 0.01 12.34 220 | 1 0.01 12.35 223 | 2 0.02 12.37 224 | 1 0.01 12.38 226 | 1 0.01 12.39 231 | 1 0.01 12.40 232 | 1 0.01 12.41 777 | 8,229 82.29 94.70 999 | 530 5.30 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016