Frequencies for first 10,000 rows of wtgain variable in natlterr1997 dataset : Weight Gain | Freq. Percent Cum. ------------+----------------------------------- 0 | 221 2.21 2.21 1 | 9 0.09 2.30 2 | 26 0.26 2.56 3 | 24 0.24 2.80 4 | 27 0.27 3.07 5 | 70 0.70 3.77 6 | 45 0.45 4.22 7 | 72 0.72 4.94 8 | 86 0.86 5.80 9 | 57 0.57 6.37 10 | 606 6.06 12.43 11 | 89 0.89 13.32 12 | 182 1.82 15.14 13 | 131 1.31 16.45 14 | 130 1.30 17.75 15 | 444 4.44 22.19 16 | 167 1.67 23.86 17 | 133 1.33 25.19 18 | 252 2.52 27.71 19 | 142 1.42 29.13 20 | 1,529 15.29 44.42 21 | 175 1.75 46.17 22 | 265 2.65 48.82 23 | 260 2.60 51.42 24 | 250 2.50 53.92 25 | 846 8.46 62.38 26 | 201 2.01 64.39 27 | 168 1.68 66.07 28 | 215 2.15 68.22 29 | 125 1.25 69.47 30 | 932 9.32 78.79 31 | 116 1.16 79.95 32 | 171 1.71 81.66 33 | 112 1.12 82.78 34 | 107 1.07 83.85 35 | 251 2.51 86.36 36 | 102 1.02 87.38 37 | 82 0.82 88.20 38 | 99 0.99 89.19 39 | 60 0.60 89.79 40 | 303 3.03 92.82 41 | 69 0.69 93.51 42 | 61 0.61 94.12 43 | 55 0.55 94.67 44 | 41 0.41 95.08 45 | 82 0.82 95.90 46 | 28 0.28 96.18 47 | 28 0.28 96.46 48 | 31 0.31 96.77 49 | 16 0.16 96.93 50 | 107 1.07 98.00 51 | 17 0.17 98.17 52 | 20 0.20 98.37 53 | 12 0.12 98.49 54 | 13 0.13 98.62 55 | 21 0.21 98.83 56 | 13 0.13 98.96 57 | 6 0.06 99.02 58 | 11 0.11 99.13 59 | 7 0.07 99.20 60 | 31 0.31 99.51 61 | 1 0.01 99.52 62 | 7 0.07 99.59 63 | 4 0.04 99.63 64 | 2 0.02 99.65 65 | 5 0.05 99.70 66 | 1 0.01 99.71 68 | 3 0.03 99.74 69 | 1 0.01 99.75 70 | 5 0.05 99.80 71 | 1 0.01 99.81 72 | 1 0.01 99.82 73 | 1 0.01 99.83 74 | 1 0.01 99.84 75 | 3 0.03 99.87 80 | 4 0.04 99.91 81 | 1 0.01 99.92 82 | 1 0.01 99.93 87 | 1 0.01 99.94 93 | 1 0.01 99.95 98 | 1 0.01 99.96 99 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015