Frequencies for first 10,000 rows of dfeduc variable in natl1983 dataset :

  Education |
  of Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          9        0.09        0.09
          1 |          3        0.03        0.12
          2 |          5        0.05        0.17
          3 |          8        0.08        0.25
          4 |          6        0.06        0.31
          5 |         16        0.16        0.47
          6 |         43        0.43        0.90
          7 |         79        0.79        1.69
          8 |        165        1.65        3.34
          9 |        332        3.32        6.66
         10 |        459        4.59       11.25
         11 |        548        5.48       16.73
         12 |      3,110       31.10       47.83
         13 |        357        3.57       51.40
         14 |        642        6.42       57.82
         15 |        253        2.53       60.35
         16 |        876        8.76       69.11
         17 |        539        5.39       74.50
         99 |      2,550       25.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016