Frequencies for first 10,000 rows of emedalge variable in nhamcsed2014 dataset :

         Does your ED have a |
     computerized system for |
         recording patient's |
            medications and  |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |         88        0.88        0.88
         Yes, used routinely |      9,399       93.99       94.87
 Yes, but NOT used routinely |         75        0.75       95.62
                          No |        438        4.38      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017