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

  does your |
         ed |
 electronic |
    medical |
     record |
     system |
    include |
       test |
   results? |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      5,226       52.26       52.26
         no |        601        6.01       58.27
    unknown |         72        0.72       58.99
      blank |      4,101       41.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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