Frequencies for first 10,000 rows of feduc14 variable in natl1981 dataset :

  Education |
  of Father |
  Recode 14 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         47        0.47        0.47
          2 |         52        0.52        0.99
          3 |         88        0.88        1.87
          4 |        193        1.93        3.80
          5 |        331        3.31        7.11
          6 |        522        5.22       12.33
          7 |        521        5.21       17.54
          8 |      3,140       31.40       48.94
          9 |        384        3.84       52.78
         10 |        705        7.05       59.83
         11 |        235        2.35       62.18
         12 |        893        8.93       71.11
         13 |        507        5.07       76.18
         14 |      2,382       23.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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