Frequencies for first 10,000 rows of dlfd variable in natl1985 dataset : Detail | Interval | Since Last | Fetal Death | Freq. Percent Cum. ------------+----------------------------------- 2 | 1 0.01 0.01 3 | 2 0.02 0.03 4 | 2 0.02 0.05 7 | 4 0.04 0.09 8 | 2 0.02 0.11 9 | 13 0.13 0.24 10 | 31 0.31 0.55 11 | 51 0.51 1.06 12 | 54 0.54 1.60 13 | 56 0.56 2.16 14 | 37 0.37 2.53 15 | 43 0.43 2.96 16 | 25 0.25 3.21 17 | 38 0.38 3.59 18 | 24 0.24 3.83 19 | 31 0.31 4.14 20 | 14 0.14 4.28 21 | 19 0.19 4.47 22 | 18 0.18 4.65 23 | 25 0.25 4.90 24 | 24 0.24 5.14 25 | 22 0.22 5.36 26 | 14 0.14 5.50 27 | 11 0.11 5.61 28 | 11 0.11 5.72 29 | 11 0.11 5.83 30 | 13 0.13 5.96 31 | 24 0.24 6.20 32 | 11 0.11 6.31 33 | 6 0.06 6.37 34 | 15 0.15 6.52 35 | 20 0.20 6.72 36 | 12 0.12 6.84 37 | 17 0.17 7.01 38 | 6 0.06 7.07 39 | 9 0.09 7.16 40 | 8 0.08 7.24 41 | 11 0.11 7.35 42 | 8 0.08 7.43 43 | 11 0.11 7.54 44 | 7 0.07 7.61 45 | 12 0.12 7.73 46 | 5 0.05 7.78 47 | 7 0.07 7.85 48 | 14 0.14 7.99 49 | 7 0.07 8.06 50 | 4 0.04 8.10 51 | 3 0.03 8.13 52 | 4 0.04 8.17 53 | 9 0.09 8.26 54 | 2 0.02 8.28 55 | 7 0.07 8.35 56 | 11 0.11 8.46 57 | 5 0.05 8.51 58 | 7 0.07 8.58 59 | 7 0.07 8.65 60 | 9 0.09 8.74 61 | 8 0.08 8.82 62 | 5 0.05 8.87 63 | 6 0.06 8.93 64 | 5 0.05 8.98 65 | 8 0.08 9.06 66 | 4 0.04 9.10 67 | 2 0.02 9.12 68 | 5 0.05 9.17 69 | 6 0.06 9.23 70 | 5 0.05 9.28 71 | 6 0.06 9.34 72 | 6 0.06 9.40 73 | 5 0.05 9.45 74 | 1 0.01 9.46 75 | 7 0.07 9.53 76 | 5 0.05 9.58 77 | 4 0.04 9.62 78 | 5 0.05 9.67 79 | 3 0.03 9.70 80 | 3 0.03 9.73 81 | 7 0.07 9.80 82 | 4 0.04 9.84 83 | 5 0.05 9.89 84 | 1 0.01 9.90 85 | 1 0.01 9.91 86 | 2 0.02 9.93 87 | 5 0.05 9.98 88 | 1 0.01 9.99 89 | 1 0.01 10.00 90 | 3 0.03 10.03 91 | 2 0.02 10.05 92 | 5 0.05 10.10 93 | 4 0.04 10.14 94 | 2 0.02 10.16 95 | 2 0.02 10.18 96 | 4 0.04 10.22 97 | 2 0.02 10.24 98 | 3 0.03 10.27 99 | 4 0.04 10.31 100 | 2 0.02 10.33 101 | 3 0.03 10.36 104 | 3 0.03 10.39 105 | 5 0.05 10.44 106 | 3 0.03 10.47 107 | 1 0.01 10.48 108 | 1 0.01 10.49 109 | 3 0.03 10.52 110 | 4 0.04 10.56 111 | 1 0.01 10.57 112 | 1 0.01 10.58 113 | 1 0.01 10.59 114 | 2 0.02 10.61 115 | 1 0.01 10.62 116 | 3 0.03 10.65 117 | 3 0.03 10.68 120 | 1 0.01 10.69 121 | 1 0.01 10.70 122 | 1 0.01 10.71 123 | 1 0.01 10.72 124 | 2 0.02 10.74 125 | 1 0.01 10.75 127 | 3 0.03 10.78 128 | 4 0.04 10.82 132 | 1 0.01 10.83 133 | 1 0.01 10.84 134 | 1 0.01 10.85 136 | 2 0.02 10.87 138 | 2 0.02 10.89 140 | 1 0.01 10.90 141 | 2 0.02 10.92 142 | 1 0.01 10.93 144 | 1 0.01 10.94 145 | 1 0.01 10.95 147 | 1 0.01 10.96 148 | 1 0.01 10.97 149 | 2 0.02 10.99 151 | 2 0.02 11.01 152 | 3 0.03 11.04 153 | 2 0.02 11.06 158 | 1 0.01 11.07 162 | 1 0.01 11.08 166 | 1 0.01 11.09 167 | 3 0.03 11.12 172 | 1 0.01 11.13 173 | 2 0.02 11.15 174 | 1 0.01 11.16 175 | 1 0.01 11.17 179 | 2 0.02 11.19 186 | 1 0.01 11.20 187 | 1 0.01 11.21 199 | 1 0.01 11.22 200 | 1 0.01 11.23 207 | 1 0.01 11.24 254 | 1 0.01 11.25 777 | 8,231 82.31 93.56 999 | 644 6.44 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016