I'm a consulting microelectronics engineer/scientist by day, not an evolutionary biologist or genetic anthropologist.  This blog is borne out of my desire to understand human origins from a technical, science based perspective.  I focus primarily on the last million years of hominin existence.  The blog does contain some of my simple linear population genetic analysis which I published early in the history of this blog in 2010 and occasionally after that.  More recently, as genomic analytical methods have become more sophisticated, I've focused on putting up papers on the blog I think important.  I sometimes critique these papers.  Computational genomic methods have their limits.  To broaden and augment what can be learned about the past from computational genomic methods, the blog follows papers interesting to me in the areas of archaeology, paleoanthropology, geology, paleo-climate, ecozone studies, comparative archaeoastronomy, ethnography, and ethnomusicology.  In following a diversity of fields on this blog, it is hoped that alternative views and ways of considering human pre-history are enabled.
Regarding the title of this blog "linearpopulationmodel" [linear population model], I have stuck with it, even though I now do not publish much linear population genetic analysis of my own.  In point of fact, I object to the notion of the simplistic, single migration, one directional, out of Africa model for human evolution.  In my view, population movements in and out of Africa, and in and out of other continents, would best be viewed by considering climate cycles and ecozone driven bidirectional high (and low/medium) mobility movements of hominin populations.  From a computational population genetic perspective, these movements could be modeled using a method that uses linear approximated population genetic models.  For that reason, the title of this blog is still "linearpopulationmodel".
Thank you for your shared curiosity and continuing interest.
Marnie Dunsmore
San Francisco, California

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