Frequencies for first 10,000 rows of zonenurs variable in nhamcsed2011 dataset :

  Does your |
ED use zone |
   nursing? |      Freq.     Percent        Cum.
------------+-----------------------------------
    Unknown |        395        3.95        3.95
        Yes |      6,622       66.22       70.17
         No |      2,983       29.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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