Frequencies for first 10,000 rows of obsclin variable in nhamcsed2015 dataset :

  Does your |
 ED have an |
observation |
or clinical |
   decision |
      unit? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |         57        0.57        0.57
    Unknown |        371        3.71        4.28
        Yes |      4,642       46.42       50.70
         No |      4,930       49.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017