Frequencies for first 10,000 rows of sexfl variable in nhamcsopd2004 dataset :

was patient |
        sex |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
not imputed |      9,762       97.62       97.62
    imputed |        238        2.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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