Frequencies for first 10,000 rows of kioselchk variable in nhamcsed2013 dataset :

Does ED use |
 kiosk self |
  check-in? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |         98        0.98        0.98
    Unknown |        623        6.23        7.21
        Yes |        483        4.83       12.04
         No |      8,796       87.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016