Frequencies for first 10,000 rows of wireless variable in nhamcsed2014 dataset :

Does ED use |
   wireless |
 devices by |
 providers? |      Freq.     Percent        Cum.
------------+-----------------------------------
    Unknown |        613        6.13        6.13
        Yes |      7,781       77.81       83.94
         No |      1,606       16.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017