Frequencies for first 10,000 rows of incphys variable in nhamcsed2014 dataset :

In the last |
 two years, |
   has your |
       ED's |
   physical |
 space been |
  expanded? |      Freq.     Percent        Cum.
------------+-----------------------------------
    Unknown |        419        4.19        4.19
        Yes |      1,530       15.30       19.49
         No |      8,051       80.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017