Frequencies for first 10,000 rows of fracerec variable in linkpe2009psden dataset :

   Father's |
Race Recode |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,925       59.25       59.25
          2 |        693        6.93       66.18
          3 |          7        0.07       66.25
          4 |      2,198       21.98       88.23
          9 |      1,177       11.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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