Frequencies for first 10,000 rows of fagecomb variable in natlterr2007 dataset :

   Father's |
   Combined |
        Age |
(Revised) R |      Freq.     Percent        Cum.
------------+-----------------------------------
         15 |          6        0.06        0.06
         16 |         19        0.19        0.25
         17 |         36        0.36        0.61
         18 |         80        0.80        1.41
         19 |        128        1.28        2.69
         20 |        177        1.77        4.46
         21 |        176        1.76        6.22
         22 |        222        2.22        8.44
         23 |        186        1.86       10.30
         24 |        216        2.16       12.46
         25 |        238        2.38       14.84
         26 |        245        2.45       17.29
         27 |        192        1.92       19.21
         28 |        191        1.91       21.12
         29 |        172        1.72       22.84
         30 |        174        1.74       24.58
         31 |        187        1.87       26.45
         32 |        141        1.41       27.86
         33 |        139        1.39       29.25
         34 |        119        1.19       30.44
         35 |        107        1.07       31.51
         36 |        102        1.02       32.53
         37 |         77        0.77       33.30
         38 |         57        0.57       33.87
         39 |         55        0.55       34.42
         40 |         43        0.43       34.85
         41 |         39        0.39       35.24
         42 |         32        0.32       35.56
         43 |         25        0.25       35.81
         44 |         33        0.33       36.14
         45 |         19        0.19       36.33
         46 |         11        0.11       36.44
         47 |         11        0.11       36.55
         48 |         10        0.10       36.65
         49 |          4        0.04       36.69
         50 |          7        0.07       36.76
         51 |          9        0.09       36.85
         52 |          5        0.05       36.90
         53 |          4        0.04       36.94
         54 |          7        0.07       37.01
         55 |          2        0.02       37.03
         57 |          3        0.03       37.06
         58 |          2        0.02       37.08
         62 |          1        0.01       37.09
         65 |          3        0.03       37.12
         69 |          1        0.01       37.13
         99 |        124        1.24       38.37
          . |      6,163       61.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015