Frequencies for first 10,000 rows of injdet variable in nhamcsopd2008 dataset :

                    is visit related to |
       injury/poisoning/adverse effect? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                  blank |          8        0.08        0.08
         unintentional injury/poisoning |      1,013       10.13       10.21
           intentional injury/poisoning |         48        0.48       10.69
      injury/poisoning - unknown intent |        349        3.49       14.18
adv effect of med/surg care/medicinal d |        110        1.10       15.28
                      none of the above |      8,472       84.72      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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