Frequencies for first 10,000 rows of emred variable in nhamcsed2008 dataset :

         does emergency dept use |
     electronic medical records? |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
             yes, all electronic |      2,857       28.57       28.57
yes, part paper, part electronic |      5,079       50.79       79.36
                              no |      2,064       20.64      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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