Frequencies for first 10,000 rows of edemogo variable in nhamcsopd2006 dataset :

      does emr |
system include |
       patient |
   demographic |
         info? |      Freq.     Percent        Cum.
---------------+-----------------------------------
           Yes |      3,940       39.40       39.40
            No |        208        2.08       41.48
Not applicable |      5,529       55.29       96.77
         Blank |        323        3.23      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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