Frequencies for first 10,000 rows of dlfd variable in natl1986 dataset : Detail | Interval | Since Last | Fetal Death | Freq. Percent Cum. ------------+----------------------------------- 0 | 3 0.03 0.03 1 | 1 0.01 0.04 2 | 1 0.01 0.05 3 | 1 0.01 0.06 4 | 1 0.01 0.07 5 | 2 0.02 0.09 6 | 1 0.01 0.10 7 | 6 0.06 0.16 8 | 6 0.06 0.22 9 | 10 0.10 0.32 10 | 34 0.34 0.66 11 | 42 0.42 1.08 12 | 77 0.77 1.85 13 | 52 0.52 2.37 14 | 39 0.39 2.76 15 | 35 0.35 3.11 16 | 42 0.42 3.53 17 | 34 0.34 3.87 18 | 27 0.27 4.14 19 | 20 0.20 4.34 20 | 18 0.18 4.52 21 | 15 0.15 4.67 22 | 16 0.16 4.83 23 | 21 0.21 5.04 24 | 20 0.20 5.24 25 | 11 0.11 5.35 26 | 15 0.15 5.50 27 | 18 0.18 5.68 28 | 13 0.13 5.81 29 | 9 0.09 5.90 30 | 14 0.14 6.04 31 | 8 0.08 6.12 32 | 14 0.14 6.26 33 | 9 0.09 6.35 34 | 7 0.07 6.42 35 | 14 0.14 6.56 36 | 10 0.10 6.66 37 | 9 0.09 6.75 38 | 5 0.05 6.80 39 | 9 0.09 6.89 40 | 5 0.05 6.94 41 | 9 0.09 7.03 42 | 8 0.08 7.11 43 | 13 0.13 7.24 44 | 1 0.01 7.25 45 | 7 0.07 7.32 46 | 9 0.09 7.41 47 | 7 0.07 7.48 48 | 6 0.06 7.54 49 | 11 0.11 7.65 50 | 2 0.02 7.67 51 | 6 0.06 7.73 52 | 8 0.08 7.81 53 | 12 0.12 7.93 54 | 4 0.04 7.97 55 | 5 0.05 8.02 56 | 6 0.06 8.08 57 | 6 0.06 8.14 58 | 3 0.03 8.17 59 | 8 0.08 8.25 60 | 2 0.02 8.27 61 | 8 0.08 8.35 62 | 7 0.07 8.42 63 | 2 0.02 8.44 64 | 7 0.07 8.51 65 | 3 0.03 8.54 66 | 3 0.03 8.57 67 | 10 0.10 8.67 68 | 6 0.06 8.73 69 | 9 0.09 8.82 70 | 3 0.03 8.85 71 | 5 0.05 8.90 72 | 6 0.06 8.96 73 | 6 0.06 9.02 74 | 3 0.03 9.05 75 | 4 0.04 9.09 76 | 3 0.03 9.12 77 | 4 0.04 9.16 78 | 4 0.04 9.20 79 | 1 0.01 9.21 80 | 5 0.05 9.26 81 | 5 0.05 9.31 82 | 6 0.06 9.37 83 | 6 0.06 9.43 84 | 1 0.01 9.44 85 | 3 0.03 9.47 86 | 3 0.03 9.50 87 | 2 0.02 9.52 88 | 3 0.03 9.55 89 | 4 0.04 9.59 90 | 1 0.01 9.60 91 | 2 0.02 9.62 92 | 3 0.03 9.65 93 | 1 0.01 9.66 94 | 2 0.02 9.68 95 | 1 0.01 9.69 97 | 7 0.07 9.76 98 | 4 0.04 9.80 99 | 2 0.02 9.82 100 | 3 0.03 9.85 101 | 1 0.01 9.86 103 | 2 0.02 9.88 105 | 3 0.03 9.91 106 | 1 0.01 9.92 108 | 1 0.01 9.93 109 | 2 0.02 9.95 110 | 2 0.02 9.97 111 | 1 0.01 9.98 112 | 2 0.02 10.00 113 | 1 0.01 10.01 114 | 1 0.01 10.02 115 | 1 0.01 10.03 116 | 2 0.02 10.05 120 | 1 0.01 10.06 123 | 3 0.03 10.09 125 | 1 0.01 10.10 127 | 1 0.01 10.11 128 | 2 0.02 10.13 129 | 1 0.01 10.14 130 | 1 0.01 10.15 131 | 2 0.02 10.17 132 | 1 0.01 10.18 133 | 1 0.01 10.19 137 | 2 0.02 10.21 138 | 3 0.03 10.24 139 | 1 0.01 10.25 144 | 2 0.02 10.27 151 | 1 0.01 10.28 152 | 1 0.01 10.29 153 | 1 0.01 10.30 156 | 1 0.01 10.31 158 | 2 0.02 10.33 161 | 1 0.01 10.34 169 | 1 0.01 10.35 171 | 1 0.01 10.36 176 | 1 0.01 10.37 177 | 1 0.01 10.38 178 | 1 0.01 10.39 188 | 1 0.01 10.40 196 | 1 0.01 10.41 201 | 1 0.01 10.42 202 | 1 0.01 10.43 203 | 1 0.01 10.44 207 | 1 0.01 10.45 232 | 1 0.01 10.46 276 | 1 0.01 10.47 777 | 8,172 81.72 92.19 999 | 781 7.81 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016