An analysis of the effects of lifetime learning on population fitness and diversity in an NK fitness landscape

Authors:
Dara Curran;Colm O'Riordan;Humphrey Sorensen
Affiliations:
Dept. of Computer Science, University College Cork, Ireland;Dept. of Information Technology, National University of Ireland, Galway;Dept. of Computer Science, University College Cork, Ireland
Venue:
ECAL'07 Proceedings of the 9th European conference on Advances in artificial life
Year:
2007

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Abstract

This paper examines the effects of lifetime learning on the diversity and fitness of a population. Our experiments measure the phenotypic diversity of populations evolving by purely genetic means (population learning) and of others employing both population learning and lifetime learning. The results obtained show, as in previous work, that the addition of lifetime learning results in higher levels of fitness than population learning alone. More significantly, results from the diversity measure show that lifetime learning is capable of sustaining higher levels of diversity than population learning alone.