Frequencies for first 10,000 rows of ewhonot variable in namcs2011 dataset :

 Orders for Rx or |
   lab tests sent |
by: not submitted |
 electronically - |
         unedited |      Freq.     Percent        Cum.
------------------+-----------------------------------
Box is not marked |      7,518       75.18       75.18
    Box is marked |      2,482       24.82      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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