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Evolution and Selection of Quantitative Traits$
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Bruce Walsh and Michael Lynch

Print publication date: 2018

Print ISBN-13: 9780198830870

Published to Oxford Scholarship Online: September 2018

DOI: 10.1093/oso/9780198830870.001.0001

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Measuring Multivariate Selection

Measuring Multivariate Selection

(p.1139) 30 Measuring Multivariate Selection
Evolution and Selection of Quantitative Traits

Bruce Walsh

Michael Lynch

Oxford University Press

This chapter extends many of the results from Chapter 29 on single trait-fitness associations to the multiple trait setting. It examines the estimate of multivariate fitness surfaces, starting with quadratic surfaces and then moving to nonparametric versions (which assume no a prior functional form). It also examines path analysis, the analysis of missing data, and multilevel selection.

Keywords:   aster models, Box-Hunter confidence region, canonical forms, contextual analysis, Cope's law, directional selection gradient vector, elasticity path analysis, levels of selection, meta-analysis, Morrissey's extended selection gradient, projection-pursuit regression, quadratic selection gradient matrix, quadratic surfaces, sexually antagonistic selection, thin-plate splines

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