Journal
THEORETICAL POPULATION BIOLOGY
Volume 79, Issue 1-2, Pages 39-52Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.tpb.2010.11.001
Keywords
F-st; Coalescent; Bootstrap
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Weir and Cockerham introduced single locus and multiloci F-st estimators for the parameter theta. These estimators are commonly used, but little beyond their bias and variance is known. In this work, we develop formulas that allow us to describe how the underlying value of theta and the genetic diversity of sampled loci affect the distributions of these estimators. We show that in certain settings, these estimators are close to normal, while in others they are far from normal. We use these results to analyze confidence interval construction for theta, showing that the percentile-t bootstrap works well while the BCa bootstrap works poorly. Our results are derived using a novel coalescent based method. (c) 2010 Elsevier Inc. All rights reserved.
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