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

    patient |
       race |
    recode: |
     white, |
     black, |
      other |      Freq.     Percent        Cum.
------------+-----------------------------------
      White |      6,434       64.34       64.34
      Black |      3,279       32.79       97.13
      Other |        287        2.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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