Frequencies for first 10,000 rows of injpoisadr2 variable in nhamcsed2014 dataset :

  Is visit related to injury, poisoning |
or adverse effect of medical treatment? |
                                     -  |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                     Yes, injury/trauma |      2,739       27.39       27.39
                         Yes, poisoning |         77        0.77       28.16
Yes, adverse effect of medical treatmen |        194        1.94       30.10
No, visit is not related to injury, poi |      6,990       69.90      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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