Journal ArticleDOI
The Statistical Analysis of Compositional Data
M. C. Jones,John Aitchison +1 more
- Vol. 150, Iss: 4, pp 396-396
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The article was published on 1987-07-01. It has received 4051 citations till now. The article focuses on the topics: Compositional data.read more
Citations
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Harbor seals (Phoca vitulina) in British Columbia, Canada, and Washington State, USA, reveal a combination of local and global polychlorinated biphenyl, dioxin, and furan signals.
Peter S. Ross,Steven J. Jeffries,Mark B. Yunker,Richard F. Addison,Michael G. Ikonomou,John Calambokidis +5 more
TL;DR: Pattern evaluation and principal components analysis suggested that proximity to sources influenced the mixture to which seals were exposed, with those inhabiting more remote areas being exposed to lighter PCB congeners that disperse more readily through atmospheric and other processes.
Journal ArticleDOI
Model-based replacement of rounded zeros in compositional data: Classical and robust approaches
Josep Antoni Martín-Fernández,Karel Hron,Matthias Templ,Peter Filzmoser,Javier Palarea-Albaladejo +4 more
TL;DR: In the context of classical regression methods, the equivalence of the method based on additive and isometric log-ratio transformations is proved, but this equivalence does not hold for robust regression.
Journal ArticleDOI
The influence of swimming demand on phenotypic plasticity and morphological integration: a comparison of two polymorphic charr species
TL;DR: The results of the present study indicate that swimming demand alone may not be sufficient to generate the polymorphism encountered in nature, and it would be important to conduct experiments targeting the interaction between the morphological modules related to trophic and swimming demands.
DirichletReg: Dirichlet Regression for Compositional Data in R
TL;DR: A GLM-like framework is set up that allows for the analysis of Dirichlet regression data in a straightforward and familiar way, because interpretation is similar to multinomial logistic regression.
Journal ArticleDOI
Informational constraints on optimal sex allocation in ants.
Jacobus J. Boomsma,Nielsen J,Liselotte Sundström,Neil J. Oldham,J. Tentschert,Hans Christian Petersen,E. D. Morgan +6 more
TL;DR: It is shown that the heritable component of recognition cues is low and that the extent of sex ratio biasing toward males is correlated with patriline differences in hydrocarbon profiles, consistent with the hypothesis that the occasional expression of nepotistic phenotypes favoring full-sister over half-sisters maintains selection against informative recognition cues.
References
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Book
Problems of relative growth
TL;DR: This detailed study of the different rates of growth of parts of the body relative to the body as a whole represents Sir Julian Huxley's great contribution to analytical morphology, and it is still a basis for modern investigations in morphometrics and evolutionary biology.
Book
Experiments with Mixtures: Designs, Models and the Analysis of Mixture Data
TL;DR: In this paper, the original Mixture Problem is described and models for exploring the Entire Simplex Factor Space are presented, including matrix algebra, least squares, and the analysis of variance.
New statistical methods for allometry with application to
TL;DR: In this paper, Mosimann et al. presented new statistical methods for the study of size and shape, and used these methods to study the morphology of red-winged blackbirds, Agelaius phoeniceus breeding in Florida.
Journal ArticleDOI
Analysis of dispersion on a sphere
TL;DR: In this article, a series of approximate tests of significance is given for hypotheses about the precision constant K and the polar vector on a sphere, where 8' is the angle between the polar and observation vectors.