Frequencies for first 10,000 rows of reside variable in nhamcsed2002 dataset :

       does |
    patient |
  reside in |
       nurs |
   home/oth |
      inst? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |        312        3.12        3.12
        Yes |        238        2.38        5.50
         No |      9,125       91.25       96.75
    Unknown |        325        3.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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