Frequencies for first 10,000 rows of injdetr variable in nhamcsed2014 dataset :

         Is visit related to any of the |
                             following? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                  Blank |          6        0.06        0.06
                                Unknown |        662        6.62        6.68
          Intentionality does not apply |        326        3.26        9.94
         Unintentional injury/poisoning |      2,175       21.75       31.69
           Intentional injury/poisoning |        237        2.37       34.06
Injury/poisoning of undetermined intent |        494        4.94       39.00
    Adverse effect of medical treatment |        205        2.05       41.05
Visit is not related to injury/poisonin |      5,881       58.81       99.86
             Questionable injury status |         14        0.14      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017