Ray, you may want to implement your own statistics class. look at ec.simple.SimpleStatistics for how only one individual is written to the file. Liviu. On Aug 5, 2006, at 6:59 PM, Liu Yaning wrote: > Hi all > > does anyone know how to output the best 3 or more individuals in > each run into the out file? > Thanks a lot!! > > Ray > > > 使用 MSN Messenger 与联机的朋友进行交流