Frequencies for first 10,000 rows of racer variable in nhamcsed1997 dataset :

    patient |
       race |
    recode: |
     white, |
     black, |
      other |      Freq.     Percent        Cum.
------------+-----------------------------------
      White |      6,715       67.15       67.15
      Black |      2,964       29.64       96.79
      Other |        321        3.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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