Frequencies for first 10,000 rows of nursepr variable in nhamcsed2013 dataset :

      Nurse |
practitione |
     r seen |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,286       92.86       92.86
        Yes |        714        7.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016