Frequencies for first 10,000 rows of ecpoee variable in nhamcsed2007 dataset :

  does ed have |
  computerized |
    system for |
    orders for |
prescriptions? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |        103        1.03        1.03
           yes |      5,090       50.90       51.93
            no |      4,807       48.07      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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