Frequencies for first 10,000 rows of eformula variable in namcs2014 dataset :

 If orders for prescriptions |
   submitted electronically, |
  drug formulary checks perf |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        723        7.23        7.23
              Not applicable |      1,829       18.29       25.52
         Yes, used routinely |      6,162       61.62       87.14
 Yes, but NOT used routinely |        482        4.82       91.96
Yes, but turned off/not used |         69        0.69       92.65
                          No |        735        7.35      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017