Frequencies for first 10,000 rows of obsunit variable in nhamcsed2008 dataset :

  does your |
 ed have an |
observation |
or clinical |
   decision |
      unit? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        174        1.74        1.74
        yes |      3,708       37.08       38.82
         no |      6,118       61.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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