Frequencies for first 10,000 rows of injr2 variable in nhamcsed2013 dataset :

   Is visit |
 related to |
  injury or |
poisoning - |
  recode #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      7,229       72.29       72.29
        Yes |      2,771       27.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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