Frequencies for emergencyservice variable in vwhqi_hosp dataset :

  Emergency |
    Service |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |        253        6.02        6.02
        Yes |      3,950       93.98      100.00
------------+-----------------------------------
      Total |      4,203      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016