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Theory put into practice: an R implementation of the infinite-dimensional model
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal Ecology.
2011 (English)In: Ecological Modelling, ISSN 0304-3800, E-ISSN 1872-7026, Vol. 222, no 12, 2027-2030 p.Article in journal (Refereed) Published
Abstract [en]

The infinite dimensional model (IDM) is an approach that has been developed for the analyses of phenotypic variation in function valued traits such as growth trajectories and continuous reaction norms. This model is particularly suited for the analysis of the potential and the constraints for growth to evolve under selection on body size. Despite of its applicability to a broad range of study systems IDM has only been applied in a handful of studies, as it is mathematically demanding for scientists not familiar with quantitative genetics methods. Here, we present a user-friendly R implementation of IDM, demonstrate its performance with growth data on nine-spined stickleback (Pungitius pungitius). In addition to rearing experiments, individual based size-at-age trajectories are often measured in wild in mark-recapture studies or estimated retrospectively from scales or bones. Therefore, our R implementation of IDM should be applicable to many studies conducted in wild and in a lab, and be useful by making the methodologically challenging IDM approach more easily accessible also in the fields where quantitative genetics methods are less standardly used.

Place, publisher, year, edition, pages
2011. Vol. 222, no 12, 2027-2030 p.
Keyword [en]
Evolution, Function valued trait, Infinite-dimensional model, Growth trajectory, Phenotypic variation, Selection
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-155596DOI: 10.1016/j.ecolmodel.2011.03.041ISI: 000291497300012OAI: oai:DiVA.org:uu-155596DiVA: diva2:427149
Available from: 2011-06-27 Created: 2011-06-27 Last updated: 2016-04-18Bibliographically approved

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Björklund, Mats
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