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

       When |
   patients |
  arrive at |
the ED, are |
you able to |
  query for |
  patients' |
 healthcare |
          i |      Freq.     Percent        Cum.
------------+-----------------------------------
    Unknown |      1,135       11.35       11.35
        Yes |      3,822       38.22       49.57
         No |      5,043       50.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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