Frequencies for first 10,000 rows of epnotese variable in nhamcsed2005 dataset :

  does your |
         ed |
 electronic |
    medical |
     record |
     system |
    include |
physician's |
     notes? |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      3,230       32.30       32.30
         no |      2,320       23.20       55.50
    unknown |        171        1.71       57.21
      blank |      4,279       42.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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