Frequencies for first 10,000 rows of obsunits variable in nhamcsed2010 dataset :

  Does your |
 ED have an |
observation |
    unit or |
   clinical |
   decision |
      unit? |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      2,679       26.79       26.79
         no |      7,321       73.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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