All Questions
Tagged with ecology multivariate-analysis
3 questions
6
votes
1
answer
1k
views
Difference between NA and None in biological dataset
I have collected environmental data on animals, and am seeking help on how to deal with certain variables where a non-numeric value is informative, but also problematic. I have three variables that ...
- 63
1
vote
1
answer
249
views
Transforming count data for NMDS?
I am looking at species count data. Due to large counts of certain species, I initially fourth root transformed the data. I am using Bray-Curtis distance measurement.
However when using vegan::metaMDS,...
- 63
11
votes
1
answer
3k
views
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