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

  Does your |
ED use pool |
   nursing? |      Freq.     Percent        Cum.
------------+-----------------------------------
    unknown |        487        4.87        4.87
        yes |      6,394       63.94       68.81
         no |      3,119       31.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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