Frequencies for first 10,000 rows of injr1 variable in nhamcsopd2011 dataset :

    Is this |
      visit |
 related to |
  an injury |
         or |
 poisoning? |
   (Recoded |
version #1) |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,394       93.94       93.94
        Yes |        606        6.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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