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

   does emr |
     system |
    include |
  reminders |
        for |
guideline-b |
       ased |
intervent/s |
   creening |
     tests? |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      2,652       26.52       26.52
         no |      2,010       20.10       46.62
    unknown |        815        8.15       54.77
      blank |      4,523       45.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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