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

Patient residence |      Freq.     Percent        Cum.
------------------+-----------------------------------
            Blank |         67        0.67        0.67
          Unknown |         69        0.69        1.36
Private residence |      9,427       94.27       95.63
     Nursing home |        176        1.76       97.39
         Homeless |        124        1.24       98.63
            Other |        137        1.37      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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