Frequencies for first 10,000 rows of gradecp variable in morg88 dataset :

    Whether |
  completed |
    highest |
      grade |      Freq.     Percent        Cum.
------------+-----------------------------------
        Yes |      7,636       76.36       76.36
         No |      2,364       23.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Mar 2017