Frequencies for first 10,000 rows of injdet variable in nhamcsopd2010 dataset :

 is visit related to inj/poison/adverse |
                                effect? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
         unintentional injury/poisoning |        630        6.30        6.30
           intentional injury/poisoning |         21        0.21        6.51
      injury/poisoning - unknown intent |        537        5.37       11.88
adv effect of med/surg care/medicinal d |        234        2.34       14.22
                      none of the above |      8,578       85.78      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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