On May 8, 2017, at 4:21 PM, Chris Johnson <[log in to unmask]> wrote:

> Tournament selection, likely other selections too, can result in similar regression strings, where similar has some definition.  Eureqa has an interesting way of showing this with a Pareto graph.  You get to see leaps, if you will, in progress towards the fitness goal.  Knowing where those leaps are, you can go back and look in a log of expressions, each generation or whatever, around the leap and see what happened.  
> Does ECJ have a general way of showing this kind of thing?  Maybe I haven't found it yet?

ECJ has some graph facilities in its GUI but no visualization at the sophistication of Eureqa.  Yet.