Frequencies for first 10,000 rows of diffehr variable in namcs2014 dataset :

    Does your EHR |
         have the |
    capability to |
   electronically |
      send health |
 information to a |      Freq.     Percent        Cum.
------------------+-----------------------------------
          Unknown |        982        9.82        9.82
   Not applicable |      2,039       20.39       30.21
              Yes |      3,438       34.38       64.59
               No |      3,541       35.41      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017