Search Results - "Collyer, Michael L."

RRPP: An r package for fitting linear models to high‐dimensional data using residual randomization by Collyer, Michael L., Adams, Dean C., Freckleton, Robert

“…Residual randomization in permutation procedures (RRPP) is an appropriate means of generating empirical sampling distributions for ANOVA statistics and linear…”
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Multivariate Phylogenetic Comparative Methods: Evaluations, Comparisons, and Recommendations by Adams, Dean C., Collyer, Michael L.

“…Recent years have seen increased interest in phylogenetic comparative analyses of multivariate data sets, but to date the varied proposed approaches have not…”
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On the comparison of the strength of morphological integration across morphometric datasets by Adams, Dean C., Collyer, Michael L.

“…Evolutionary morphologists frequently wish to understand the extent to which organisms are integrated, and whether the strength of morphological integration…”
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Phylogenetic ANOVA: Group-clade aggregation, biological challenges, and a refined permutation procedure by Adams, Dean C., Collyer, Michael L.

“…Phylogenetic regression is frequently used in macroevolutionary studies, and its statistical properties have been thoroughly investigated. By contrast,…”
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Phylogenetic Comparative Methods and the Evolution of Multivariate Phenotypes by Adams, Dean C, Collyer, Michael L

“…Evolutionary biology is multivariate, and advances in phylogenetic comparative methods for multivariate phenotypes have surged to accommodate this fact…”
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A General Framework for the Analysis of Phenotypic Trajectories in Evolutionary Studies by Adams, Dean C, Collyer, Michael L

“…Many evolutionary studies require an understanding of phenotypic change. However, while analyses of phenotypic variation across pairs of evolutionary levels…”
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Analysis of two-state multivariate phenotypic change in ecological studies by Collyer, Michael L., Adams, Dean C.

“…Analyses of two-state phenotypic change are common in ecological research. Some examples include phenotypic changes due to phenotypic plasticity between two…”
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Deconstructing a Species-Complex: Geometric Morphometric and Molecular Analyses Define Species in the Western Rattlesnake (Crotalus viridis) by Davis, Mark A, Douglas, Marlis R, Collyer, Michael L, Douglas, Michael E

“…Morphological data are a conduit for the recognition and description of species, and their acquisition has recently been broadened by geometric morphometric…”
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Correction: Deconstructing a Species-Complex: Geometric Morphometric and Molecular Analyses Define Species in the Western Rattlesnake (Crotalus viridis) by Davis, Mark A, Douglas, Marlis R, Collyer, Michael L, Douglas, Michael E

“…[This corrects the article DOI: 10.1371/journal.pone.0146166.]…”
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geomorph v4.0 and gmShiny: Enhanced analytics and a new graphical interface for a comprehensive morphometric experience by Baken, Erica K., Collyer, Michael L., Kaliontzopoulou, Antigoni, Adams, Dean C.

“…Geometric morphometric (GM) tools are essential for meaningfully quantifying and understanding patterns of variation in complex traits like shape. In this…”
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Nowhere to Go but Up: Impacts of Climate Change on Demographics of a Short-Range Endemic (Crotalus willardi obscurus) in the Sky-Islands of Southwestern North America by Davis, Mark A, Douglas, Marlis R, Webb, Colleen T, Collyer, Michael L, Holycross, Andrew T, Painter, Charles W, Kamees, Larry K, Douglas, Michael E

“…Biodiversity elements with narrow niches and restricted distributions (i.e., 'short range endemics,' SREs) are particularly vulnerable to climate change. The…”
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Comparing the strength of modular signal, and evaluating alternative modular hypotheses, using covariance ratio effect sizes with morphometric data by Adams, Dean C., Collyer, Michael L.

“…The study of modularity is paramount for understanding trends of phenotypic evolution, and for determining the extent to which covariation patterns are…”
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Correction: Deconstructing a Species-Complex: Geometric Morphometric and Molecular Analyses Define Species in the Western Rattlesnake (Crotalus viridis) by Davis, Mark A, Douglas, Marlis R, Collyer, Michael L, Douglas, Michael E

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Contemporary evolutionary divergence for a protected species following assisted colonization by Collyer, Michael L, Heilveil, Jeffrey S, Stockwell, Craig A

“…Contemporary evolution following assisted colonization may increase the probability of persistence for refuge populations established as a bet-hedge for…”
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Phylogenetically aligned component analysis by Collyer, Michael L., Adams, Dean C., Blomberg, Simone

“…It has become common in evolutionary biology to characterize phenotypes multivariately. However, visualizing macroevolutionary trends in multivariate datasets…”
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Exploring Phylogenetic Signal in Multivariate Phenotypes by Maximizing Blomberg's K by Mitteroecker, Philipp, Collyer, Michael L, Adams, Dean C

“…Due to the hierarchical structure of the tree of life, closely related species often resemble each other more than distantly related species; a pattern termed…”
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Consilience of methods for phylogenetic analysis of variance by Adams, Dean C., Collyer, Michael L.

“…Simulation‐based and permutation‐based inferential methods are commonplace in phylogenetic comparative methods, especially as evolutionary data have become…”
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Permutation tests for phylogenetic comparative analyses of high-dimensional shape data: What you shuffle matters by Adams, Dean C., Collyer, Michael L.

“…Evaluating statistical trends in high-dimensional phenotypes poses challenges for comparative biologists, because the high-dimensionality of the trait data…”
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Simultaneous integration and modularity underlie the exceptional body shape diversification of characiform fishes by Burns, Michael D, Collyer, Michael L, Sidlauskas, Brian L

“…Evolutionary biology has long striven to understand why some lineages diversify exceptionally while others do not. Most studies have focused on how extrinsic…”
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A general hypothesis-testing framework for stable isotope ratios in ecological studies by Turner, Thomas F, Collyer, Michael L, Krabbenhoft, Trevor J

“…We propose a framework for hypothesis-testing of stable isotope ratios in ecological studies. Statistical procedures are based on analysis of nested linear…”
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