Frequencies for first 10,000 rows of dlfd variable in natl1976 dataset : Detail | Interval | Since Last | Fetal Death | Freq. Percent Cum. ------------+----------------------------------- 0 | 1 0.01 0.01 1 | 1 0.01 0.02 2 | 2 0.02 0.04 5 | 1 0.01 0.05 9 | 9 0.09 0.14 10 | 22 0.22 0.36 11 | 42 0.42 0.78 12 | 44 0.44 1.22 13 | 45 0.45 1.67 14 | 37 0.37 2.04 15 | 41 0.41 2.45 16 | 36 0.36 2.81 17 | 32 0.32 3.13 18 | 20 0.20 3.33 19 | 30 0.30 3.63 20 | 16 0.16 3.79 21 | 17 0.17 3.96 22 | 19 0.19 4.15 23 | 16 0.16 4.31 24 | 24 0.24 4.55 25 | 11 0.11 4.66 26 | 12 0.12 4.78 27 | 15 0.15 4.93 28 | 9 0.09 5.02 29 | 10 0.10 5.12 30 | 17 0.17 5.29 31 | 16 0.16 5.45 32 | 7 0.07 5.52 33 | 15 0.15 5.67 34 | 17 0.17 5.84 35 | 11 0.11 5.95 36 | 14 0.14 6.09 37 | 18 0.18 6.27 38 | 7 0.07 6.34 39 | 10 0.10 6.44 40 | 4 0.04 6.48 41 | 16 0.16 6.64 42 | 15 0.15 6.79 43 | 9 0.09 6.88 44 | 9 0.09 6.97 45 | 9 0.09 7.06 46 | 10 0.10 7.16 47 | 8 0.08 7.24 48 | 13 0.13 7.37 49 | 5 0.05 7.42 50 | 7 0.07 7.49 51 | 9 0.09 7.58 52 | 10 0.10 7.68 53 | 9 0.09 7.77 54 | 9 0.09 7.86 55 | 4 0.04 7.90 56 | 10 0.10 8.00 57 | 2 0.02 8.02 58 | 6 0.06 8.08 59 | 5 0.05 8.13 60 | 9 0.09 8.22 61 | 4 0.04 8.26 62 | 6 0.06 8.32 63 | 4 0.04 8.36 64 | 4 0.04 8.40 65 | 6 0.06 8.46 66 | 6 0.06 8.52 67 | 3 0.03 8.55 68 | 3 0.03 8.58 69 | 3 0.03 8.61 70 | 5 0.05 8.66 71 | 4 0.04 8.70 72 | 4 0.04 8.74 73 | 6 0.06 8.80 74 | 8 0.08 8.88 75 | 7 0.07 8.95 76 | 4 0.04 8.99 77 | 7 0.07 9.06 78 | 5 0.05 9.11 79 | 1 0.01 9.12 80 | 2 0.02 9.14 82 | 3 0.03 9.17 83 | 4 0.04 9.21 84 | 1 0.01 9.22 85 | 3 0.03 9.25 86 | 3 0.03 9.28 87 | 1 0.01 9.29 88 | 3 0.03 9.32 89 | 3 0.03 9.35 91 | 9 0.09 9.44 92 | 3 0.03 9.47 93 | 4 0.04 9.51 94 | 5 0.05 9.56 95 | 1 0.01 9.57 97 | 2 0.02 9.59 98 | 1 0.01 9.60 99 | 6 0.06 9.66 100 | 1 0.01 9.67 101 | 2 0.02 9.69 102 | 1 0.01 9.70 103 | 2 0.02 9.72 105 | 2 0.02 9.74 109 | 3 0.03 9.77 111 | 1 0.01 9.78 112 | 3 0.03 9.81 113 | 1 0.01 9.82 114 | 1 0.01 9.83 115 | 2 0.02 9.85 116 | 3 0.03 9.88 117 | 1 0.01 9.89 118 | 1 0.01 9.90 119 | 1 0.01 9.91 120 | 1 0.01 9.92 121 | 2 0.02 9.94 122 | 1 0.01 9.95 123 | 1 0.01 9.96 124 | 2 0.02 9.98 125 | 1 0.01 9.99 127 | 3 0.03 10.02 129 | 1 0.01 10.03 130 | 1 0.01 10.04 131 | 1 0.01 10.05 132 | 1 0.01 10.06 135 | 1 0.01 10.07 138 | 3 0.03 10.10 139 | 1 0.01 10.11 141 | 2 0.02 10.13 143 | 3 0.03 10.16 147 | 1 0.01 10.17 148 | 2 0.02 10.19 150 | 1 0.01 10.20 151 | 3 0.03 10.23 152 | 1 0.01 10.24 154 | 1 0.01 10.25 159 | 1 0.01 10.26 160 | 1 0.01 10.27 162 | 1 0.01 10.28 164 | 1 0.01 10.29 169 | 1 0.01 10.30 170 | 1 0.01 10.31 172 | 1 0.01 10.32 177 | 1 0.01 10.33 185 | 1 0.01 10.34 188 | 1 0.01 10.35 194 | 1 0.01 10.36 196 | 1 0.01 10.37 209 | 1 0.01 10.38 221 | 1 0.01 10.39 229 | 1 0.01 10.40 777 | 8,686 86.86 97.26 999 | 274 2.74 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016