Frequencies for first 10,000 rows of emred variable in nhamcsed2015 dataset :

     Does your ED use electronic |
  health record (EHR) system? Do |
           not including billing |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           Blank |         57        0.57        0.57
             Yes, all electronic |      7,880       78.80       79.37
Yes, part paper, part electronic |      2,019       20.19       99.56
                              No |         44        0.44      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017