Frequencies for first 10,000 rows of erangeo variable in nhamcsopd2009 dataset :

   if yes, are |
  out of range |
        levels |
  highlighted? |      Freq.     Percent        Cum.
---------------+-----------------------------------
not applicable |      1,872       18.72       18.72
           yes |      7,452       74.52       93.24
            no |        676        6.76      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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