Frequencies for first 10,000 rows of racefl variable in nhamcsopd1993 dataset :

        was |
  patient's |
       race |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,766       87.66       87.66
          1 |      1,234       12.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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