Frequencies for first 10,000 rows of meduc14 variable in natl1979 dataset :

  Education |
  of Mother |
  Recode 14 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         36        0.36        0.36
          2 |         71        0.71        1.07
          3 |        157        1.57        2.64
          4 |        433        4.33        6.97
          5 |        709        7.09       14.06
          6 |      1,109       11.09       25.15
          7 |      1,025       10.25       35.40
          8 |      4,061       40.61       76.01
          9 |        584        5.84       81.85
         10 |        616        6.16       88.01
         11 |        242        2.42       90.43
         12 |        688        6.88       97.31
         13 |        244        2.44       99.75
         14 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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