Frequencies for first 10,000 rows of advcomp1 variable in nhamcsed2011 dataset : Recoded: | visit | related to | adverse | effects/com | plications | based on | first-liste | d re | Freq. Percent Cum. ------------+----------------------------------- No | 9,799 97.99 97.99 Yes | 201 2.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016