Frequencies for first 10,000 rows of racerfl variable in nhamcsopd2011 dataset :

White/Black |
/Other race |
    imputed |      Freq.     Percent        Cum.
------------+-----------------------------------
Not imputed |      8,349       83.49       83.49
    Imputed |      1,651       16.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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