Frequencies for first 10,000 rows of injr2 variable in nhamcsopd2011 dataset :

    Is this |
      visit |
 related to |
  an injury |
         or |
 poisoning? |
   (Recoded |
version #2) |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,252       92.52       92.52
        Yes |        748        7.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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