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

  Education |
  of Mother |
  (Based on |
       MSA) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,334       33.34       33.34
          1 |      6,666       66.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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