Nil implemented a diversity measure in the Aidyia period and one can tune the weight of diversity vs accuracy in the fitness function ..Not sure if this does what u need...
On Mon, 3 Dec 2018, 11:33 Linas Vepstas <[email protected] wrote: > > > On Sun, Dec 2, 2018 at 2:05 PM Michael Duncan <[email protected]> wrote: > >> can any moses gurus comment on using the diversity scoring options? for >> some bioinformatics work we are more interested in evolving a minimal >> ensemble of models to maximally represent the patterns distinguishing two >> sample sets rather than just maximizing out of sample prediction accuracy. >> in other words, we want to maximize the number of unique features in a >> model ensemble of a given size and accuracy. more generally, are there >> procedures for choosing optimal ensemble models beyond combining the top n >> models from different cross-validation runs? >> > > Wow. At one point, I wanted to add something like that as a feature: > Namely, when keeping a deme (ensemble) of some finite size, I wanted it to > be as diverse as possible (while still having acceptable fitness). I was > excited, ready to implement this, but could not quite figure out a good way > of measuring how "different" two models were. What constitutes diversity, > and how do you measure it? Without that, I couldn't move forward. > > --linas > > -- > cassette tapes - analog TV - film cameras - you > > -- > You received this message because you are subscribed to the Google Groups > "opencog" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/opencog. > To view this discussion on the web visit > https://groups.google.com/d/msgid/opencog/CAHrUA36wzOpVFiqqqY0GdfAvH9hPB0PQgS-TZQ2A%2BRcvJb15Pw%40mail.gmail.com > <https://groups.google.com/d/msgid/opencog/CAHrUA36wzOpVFiqqqY0GdfAvH9hPB0PQgS-TZQ2A%2BRcvJb15Pw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "opencog" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/opencog. To view this discussion on the web visit https://groups.google.com/d/msgid/opencog/CACYTDBe%2B91EEMP5UyqfqBsJG6p471gky1sG9Gt1s-9vD7M9%3D9Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
