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

          Does practice have |
    computerized capability: |
   ordering radiology tests? |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        152        1.52        1.52
         Yes, used routinely |      4,929       49.29       50.81
 Yes, but NOT used routinely |        797        7.97       58.78
Yes, but turned off/not used |        581        5.81       64.59
                          No |      3,541       35.41      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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