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

Does ED use |
   wireless |
 devices by |
 providers? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |         98        0.98        0.98
    Unknown |        922        9.22       10.20
        Yes |      7,856       78.56       88.76
         No |      1,124       11.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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