Likelihood and approximate likelihood analyses of genetic structure in a linear habitat: performance and robustness to model mis-specification.

Abstract excerpt

We evaluate the performance of maximum likelihood (ML) analysis of allele frequency data in a linear array of populations. The parameters are a mutation rate and either the dispersal rate in a stepping stone model or a dispersal rate and a scale parameter in a geometric dispersal model. An approximate procedure known as maximum product of approximate conditional (PAC) likelihood is found to perform as well as ML....

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