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

     HgbA1C |
(glycohemog |
     lobin) |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,462       94.62       94.62
        Yes |        538        5.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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