Frequencies for first 10,000 rows of meduc6 variable in natl1990 dataset :

  Education |
  of Mother |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        457        4.57        4.57
          2 |      2,200       22.00       26.57
          3 |      3,611       36.11       62.68
          4 |      2,121       21.21       83.89
          5 |      1,502       15.02       98.91
          6 |        109        1.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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