Frequencies for first 10,000 rows of einselige variable in nhamcsed2011 dataset :

      Does your ED verify an individual |
        patient's insurance eligibility |
                         electronically |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                  Blank |     10,000      100.00      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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