Frequencies for first 10,000 rows of ectoeo variable in nhamcsopd2005 dataset :

   does emr |
     system |
    include |
computerize |
   d orders |
  for test? |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      4,628       46.28       46.28
         no |        663        6.63       52.91
    unknown |        186        1.86       54.77
      blank |      4,523       45.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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