Frequencies for first 10,000 rows of erangee variable in nhamcsed2006 dataset :

   if yes, are |
  out of range |
        levels |
  highlighted? |      Freq.     Percent        Cum.
---------------+-----------------------------------
           yes |      3,563       35.63       35.63
            no |        358        3.58       39.21
       unknown |        819        8.19       47.40
not applicable |      4,640       46.40       93.80
         blank |        620        6.20      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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