Frequencies for first 10,000 rows of zonenurs variable in nhamcsed2010 dataset :

  Does your |
ED use zone |
   nursing? |      Freq.     Percent        Cum.
------------+-----------------------------------
    unknown |        420        4.20        4.20
        yes |      6,349       63.49       67.69
         no |      3,231       32.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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