Frequencies for first 10,000 rows of dlfd variable in natl1982 dataset : Detail | Interval | Since Last | Fetal Death | Freq. Percent Cum. ------------+----------------------------------- 0 | 3 0.03 0.03 3 | 1 0.01 0.04 4 | 1 0.01 0.05 6 | 1 0.01 0.06 7 | 2 0.02 0.08 8 | 4 0.04 0.12 9 | 7 0.07 0.19 10 | 37 0.37 0.56 11 | 38 0.38 0.94 12 | 65 0.65 1.59 13 | 42 0.42 2.01 14 | 58 0.58 2.59 15 | 30 0.30 2.89 16 | 28 0.28 3.17 17 | 36 0.36 3.53 18 | 32 0.32 3.85 19 | 23 0.23 4.08 20 | 25 0.25 4.33 21 | 24 0.24 4.57 22 | 34 0.34 4.91 23 | 19 0.19 5.10 24 | 17 0.17 5.27 25 | 11 0.11 5.38 26 | 18 0.18 5.56 27 | 12 0.12 5.68 28 | 15 0.15 5.83 29 | 12 0.12 5.95 30 | 13 0.13 6.08 31 | 6 0.06 6.14 32 | 18 0.18 6.32 33 | 12 0.12 6.44 34 | 12 0.12 6.56 35 | 23 0.23 6.79 36 | 14 0.14 6.93 37 | 10 0.10 7.03 38 | 9 0.09 7.12 39 | 15 0.15 7.27 40 | 5 0.05 7.32 41 | 9 0.09 7.41 42 | 12 0.12 7.53 43 | 17 0.17 7.70 44 | 6 0.06 7.76 45 | 13 0.13 7.89 46 | 5 0.05 7.94 47 | 8 0.08 8.02 48 | 7 0.07 8.09 49 | 11 0.11 8.20 50 | 9 0.09 8.29 51 | 10 0.10 8.39 52 | 6 0.06 8.45 53 | 4 0.04 8.49 54 | 5 0.05 8.54 55 | 9 0.09 8.63 56 | 6 0.06 8.69 57 | 7 0.07 8.76 58 | 8 0.08 8.84 59 | 8 0.08 8.92 60 | 4 0.04 8.96 61 | 4 0.04 9.00 62 | 6 0.06 9.06 63 | 7 0.07 9.13 64 | 5 0.05 9.18 65 | 7 0.07 9.25 66 | 12 0.12 9.37 67 | 5 0.05 9.42 68 | 9 0.09 9.51 69 | 4 0.04 9.55 70 | 6 0.06 9.61 71 | 4 0.04 9.65 72 | 6 0.06 9.71 73 | 5 0.05 9.76 74 | 1 0.01 9.77 76 | 5 0.05 9.82 77 | 4 0.04 9.86 78 | 3 0.03 9.89 79 | 6 0.06 9.95 80 | 6 0.06 10.01 81 | 3 0.03 10.04 82 | 4 0.04 10.08 83 | 3 0.03 10.11 84 | 2 0.02 10.13 85 | 3 0.03 10.16 86 | 2 0.02 10.18 87 | 3 0.03 10.21 88 | 3 0.03 10.24 89 | 3 0.03 10.27 90 | 2 0.02 10.29 91 | 1 0.01 10.30 92 | 3 0.03 10.33 94 | 4 0.04 10.37 95 | 1 0.01 10.38 96 | 5 0.05 10.43 97 | 5 0.05 10.48 98 | 1 0.01 10.49 101 | 3 0.03 10.52 102 | 2 0.02 10.54 105 | 3 0.03 10.57 106 | 2 0.02 10.59 107 | 6 0.06 10.65 108 | 2 0.02 10.67 110 | 2 0.02 10.69 111 | 2 0.02 10.71 112 | 2 0.02 10.73 116 | 2 0.02 10.75 117 | 1 0.01 10.76 118 | 2 0.02 10.78 119 | 3 0.03 10.81 120 | 3 0.03 10.84 121 | 2 0.02 10.86 122 | 1 0.01 10.87 123 | 1 0.01 10.88 125 | 2 0.02 10.90 127 | 1 0.01 10.91 128 | 1 0.01 10.92 129 | 1 0.01 10.93 133 | 1 0.01 10.94 134 | 2 0.02 10.96 138 | 1 0.01 10.97 139 | 3 0.03 11.00 141 | 2 0.02 11.02 142 | 1 0.01 11.03 143 | 1 0.01 11.04 145 | 2 0.02 11.06 146 | 2 0.02 11.08 147 | 1 0.01 11.09 150 | 1 0.01 11.10 152 | 1 0.01 11.11 155 | 1 0.01 11.12 157 | 1 0.01 11.13 158 | 1 0.01 11.14 159 | 1 0.01 11.15 162 | 1 0.01 11.16 166 | 1 0.01 11.17 167 | 2 0.02 11.19 168 | 1 0.01 11.20 169 | 2 0.02 11.22 170 | 1 0.01 11.23 175 | 1 0.01 11.24 176 | 1 0.01 11.25 181 | 2 0.02 11.27 183 | 1 0.01 11.28 192 | 1 0.01 11.29 194 | 1 0.01 11.30 201 | 2 0.02 11.32 207 | 1 0.01 11.33 209 | 1 0.01 11.34 215 | 1 0.01 11.35 221 | 2 0.02 11.37 296 | 1 0.01 11.38 777 | 8,263 82.63 94.01 999 | 599 5.99 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016