Frequencies for first 10,000 rows of ethnicfl variable in nhamcsopd1994 dataset :

        was |
  patient's |
  ethnicity |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,063       80.63       80.63
          1 |      1,937       19.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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