Frequencies for first 10,000 rows of ecpoer variable in namcs2012 dataset :

          Does practice have |
    computerized capability: |
    ordering prescriptions - |
                     RECODED |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |         54        0.54        0.54
                         Yes |      7,232       72.32       72.86
                          No |      2,501       25.01       97.87
Yes, but turned off/not used |        213        2.13      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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