Frequencies for first 10,000 rows of age variable in demo2004q3 dataset : Numeric | value of | patient's | age at | event | Freq. Percent Cum. ------------+----------------------------------- 0 | 8 0.08 0.08 1 | 26 0.26 0.34 2 | 13 0.13 0.47 3 | 24 0.24 0.71 4 | 21 0.21 0.92 5 | 18 0.18 1.10 6 | 21 0.21 1.31 7 | 20 0.20 1.51 8 | 29 0.29 1.80 9 | 19 0.19 1.99 10 | 26 0.26 2.25 11 | 13 0.13 2.38 12 | 23 0.23 2.61 13 | 35 0.35 2.96 14 | 17 0.17 3.13 15 | 31 0.31 3.44 16 | 31 0.31 3.75 17 | 44 0.44 4.19 18 | 38 0.38 4.57 19 | 26 0.26 4.83 20 | 43 0.43 5.26 21 | 26 0.26 5.52 22 | 30 0.30 5.82 23 | 28 0.28 6.10 24 | 30 0.30 6.40 24.5 | 1 0.01 6.41 25 | 45 0.45 6.86 26 | 45 0.45 7.31 27 | 41 0.41 7.72 28 | 44 0.44 8.16 29 | 48 0.48 8.64 30 | 72 0.72 9.36 31 | 55 0.55 9.91 32 | 64 0.64 10.55 33 | 64 0.64 11.19 34 | 68 0.68 11.87 35 | 80 0.80 12.67 36 | 72 0.72 13.39 37 | 86 0.86 14.25 38 | 73 0.73 14.98 39 | 74 0.74 15.72 40 | 103 1.03 16.75 40.5 | 1 0.01 16.76 41 | 80 0.80 17.56 42 | 90 0.90 18.46 43 | 109 1.09 19.55 44 | 95 0.95 20.50 45 | 113 1.13 21.63 46 | 94 0.94 22.57 47 | 125 1.25 23.82 48 | 118 1.18 25.00 49 | 142 1.42 26.42 50 | 146 1.46 27.88 51 | 128 1.28 29.16 52 | 115 1.15 30.31 53 | 164 1.64 31.95 54 | 122 1.22 33.17 55 | 148 1.48 34.65 56 | 153 1.53 36.18 57 | 157 1.57 37.75 58 | 146 1.46 39.21 59 | 141 1.41 40.62 60 | 166 1.66 42.28 61 | 164 1.64 43.92 62 | 152 1.52 45.44 63 | 147 1.47 46.91 64 | 144 1.44 48.35 65 | 172 1.72 50.07 66 | 154 1.54 51.61 67 | 143 1.43 53.04 68 | 158 1.58 54.62 69 | 140 1.40 56.02 70 | 151 1.51 57.53 71 | 148 1.48 59.01 72 | 132 1.32 60.33 73 | 145 1.45 61.78 74 | 143 1.43 63.21 75 | 183 1.83 65.04 76 | 134 1.34 66.38 77 | 134 1.34 67.72 78 | 143 1.43 69.15 79 | 125 1.25 70.40 80 | 111 1.11 71.51 81 | 72 0.72 72.23 82 | 89 0.89 73.12 83 | 92 0.92 74.04 84 | 71 0.71 74.75 85 | 52 0.52 75.27 86 | 51 0.51 75.78 87 | 40 0.40 76.18 88 | 39 0.39 76.57 89 | 14 0.14 76.71 90 | 13 0.13 76.84 91 | 14 0.14 76.98 92 | 7 0.07 77.05 93 | 8 0.08 77.13 94 | 7 0.07 77.20 95 | 4 0.04 77.24 96 | 6 0.06 77.30 97 | 1 0.01 77.31 101 | 1 0.01 77.32 . | 2,268 22.68 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Dec 2015