Frequencies for first 10,000 rows of sexfl variable in namcs1993 dataset :

        was |
  patient's |
        sex |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,770       97.70       97.70
          1 |        230        2.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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