Frequencies for first 10,000 rows of eimmrege variable in nhamcsed2011 dataset :

         Does your ED have a |
     computerized system for |
     electronic reporting to |
                immunization |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |     10,000      100.00      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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