Frequencies for first 10,000 rows of eformula variable in namcs2015 dataset :

If location |
        has |
computerize |
          d |
 capability |
   to order |
prescriptio |
    ns, are |
       drug |
    formula |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |        827        8.27        8.27
         -7 |      1,670       16.70       24.97
          1 |      6,452       64.52       89.49
          2 |        351        3.51       93.00
          3 |         79        0.79       93.79
          4 |        621        6.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017