Frequencies for first 10,000 rows of eresult variable in namcs2005 dataset :

       does |
 practice's |
 emr system |
    include |
       test |
   results? |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,821       18.21       18.21
          2 |      1,007       10.07       28.28
          3 |         28        0.28       28.56
          4 |      7,144       71.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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