Frequencies for first 10,000 rows of escrip variable in namcs2007 dataset :

   if yes, are |
 prescriptions |
          sent |
electronically |
     to pharm? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |        430        4.30        4.30
       unknown |         77        0.77        5.07
not applicable |      6,607       66.07       71.14
           yes |      1,858       18.58       89.72
            no |        965        9.65       99.37
    turned off |         63        0.63      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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