Frequencies for first 10,000 rows of racefl variable in nhamcsopd1996 dataset :

        was |
  patient's |
       race |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,834       88.34       88.34
          1 |      1,166       11.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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