Frequencies for first 10,000 rows of nodisp variable in nhamcsopd2001 dataset :

  no answer |
         to |
disposition |
       item |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,847       98.47       98.47
          1 |        153        1.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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