Frequencies for first 10,000 rows of poolnurs variable in nhamcsed2008 dataset :

  does your |
     ed use |
     'pool' |
    nurses? |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      5,469       54.69       54.69
        yes |      4,531       45.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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