Frequencies for first 10,000 rows of ewhonote variable in nhamcsed2011 dataset :

At your ED, |
prescriptio |
 ns and lab |
test orders |
    are not |
  submitted |
electronica |
      lly ( |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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