All Questions
5 questions
1
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0
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271
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Accounting for spatial structure in constrained ordination analysis (vegan)
I am looking to use ordination to test whether certain environmental measures influence the microbial community in soil samples. I am a bit confused about the correct way to define the model and ...
- 1,118
2
votes
1
answer
181
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What in cross validation from co-correspondence analysis indicates sufficient axes numbers?
The coca function at cocorresp package disponible for R provides a predictive way to relate two biological composition datasets. I need help to understand one step from examples on documentation ...
- 49
2
votes
1
answer
926
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Replicates in Canonical Correspondence Analysis or PERMANOVA
My problem is the statistical analysis of community data with gradients of environmental data.
I have a table of species occurrences (from metabarcoding) per sample site and measurements of ...
- 23
7
votes
2
answers
2k
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Ecological modelling: multivariate abundance time-series data
I am working with a dataset that consists of abundance counts of 6 microbial taxa in a lake measured weekly for 20 weeks. I also have environmental data (temperature, nutrient concentrations, ...
- 181
11
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1
answer
3k
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What criteria to use for separating variables into explanatory variables and responses for ordination methods in ecology?
I have different variables that interact within a population. Basically I have been doing an inventory of millipedes and measuring some other values of the terrain, like:
The species and the amount ...
- 213