Frequencies for first 10,000 rows of einsfast variable in namcs2012 dataset :

         When you |
   electronically |
 verify patient's |
        insurance |
  eligibility, do |
    you usually g |      Freq.     Percent        Cum.
------------------+-----------------------------------
          Unknown |        446        4.46        4.46
   Not applicable |      2,314       23.14       27.60
              Yes |      6,696       66.96       94.56
               No |        544        5.44      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016