Frequencies for first 10,000 rows of ehrwho2 variable in namcs2010 dataset :

 orders for rx or |
lab tests sent by |
  other clinician |
 (including rn) - |
         unedited |      Freq.     Percent        Cum.
------------------+-----------------------------------
box is not marked |      7,564       75.64       75.64
    box is marked |      2,436       24.36      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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