Frequencies for first 10,000 rows of edappt variable in nhamcsed1992 dataset :

  Return to |
       ED - |
appointment |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,513       95.13       95.13
          1 |        487        4.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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