Frequencies for first 10,000 rows of racefl variable in nhamcsed1999 dataset :

   was race |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,243       82.43       82.43
          1 |      1,757       17.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016