Frequencies for first 10,000 rows of eallerge variable in nhamcsed2010 dataset :

   If clinical |
     notes are |
  included, do |
they include a |
 comprehensive |
   list of the |
          pati |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |     10,000      100.00      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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