Source files belonging to the paper: Analyzing continuous proportions in ecology and evolution: a practical introduction to beta and Dirichlet regression.
published in Methods in Ecology and Evolution by J.C. Douma & J.T. Weedon
The files in this repository are the source files of the analyses presented in the paper and the supplementary materials. For the *.rmd files the CC-BY-SA licence holds.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
In addition this repository contains the two datasets that were used in case study 1 and case study 2. See for more information below.
Case study 1: Algae cover (andrew.csv)
This data was collected by Andrew and Underwood and the analysis was published in:
- Andrew, N. & Underwood, A. (1993) Density-dependent foraging in the sea urchin centrostephanus rodgersii on shallow subtidal reefs in new south wales, australia. Marine Ecology Press Series, 99, 89-98 and reanalysed by:
- Quinn, G. & Keough, M. (2002) Experimental Design and Data Analysis for Biologists. Cambridge University Press, Cambridge. The data was retrieved from the website accompanying the book: https://qkstats.com/. We refer users to this website for copyright issues.
Case study 2: Proportion biomass allocated to stems, leaves and roots (R6data.csv).
This data was collected by Hendrik Poorter and co-workers and analyses were published in:
- Poorter, H., van de Vijver, C.A.D.M., Boot, R.G.A. & Lambers, H. (1995) Growth and carbon economy of a fast-growing and a slow-growing grass species as dependent on nitrate supply. Plant and Soil, 171, 217-227
- Poorter, H. & Sack, L. (2012) Pitfalls and possibilities in the analysis of biomass allocation patterns in plants. Frontiers in Plant Science, 3, 259.
Please refer to the latter reference when using this data.
In case of questions or comments, please contact Bob Douma ([email protected]) or James Weedon ([email protected]).