Frequencies for first 10,000 rows of othermr variable in natl1999 dataset :

      Other |
    Medical |
       Risk |
    Factors |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,665       16.65       16.65
          2 |      8,334       83.34       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015