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

  Does your |
ED use zone |
   nursing? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |         57        0.57        0.57
    Unknown |      1,037       10.37       10.94
        Yes |      6,727       67.27       78.21
         No |      2,179       21.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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