Frequencies for first 10,000 rows of sexfl variable in nhamcsopd2001 dataset :

was patient |
        sex |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,661       96.61       96.61
          1 |        339        3.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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