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

         Does your ED have a |
     computerized system for |
         patient history and |
            demographic info |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |         88        0.88        0.88
         Yes, used routinely |      9,476       94.76       95.64
                          No |        436        4.36      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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