Frequencies for first 10,000 rows of dashbord variable in nhamcsed2012 dataset :

Does ED use |
 electronic |
 dashboard? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |        152        1.52        1.52
    Unknown |        397        3.97        5.49
        Yes |      6,858       68.58       74.07
         No |      2,593       25.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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