[R-sig-eco] Why is collinearity in ordination a problem?
Victoria June Ord
v.j.ord at newcastle.ac.uk
Fri Nov 20 13:56:28 CET 2009
Dear All
Looking at examples from Alain Zuur's 'Analysing Ecological Data'- it is apparent that collinearity is considered an issue in ordination. Could someone explain why that is?
Also is this only the case with a particular format of variable i.e. ordinal but not quantative?
Or only with unconstrained vs. constrained ordination?
Many thanks in advance
Victoria
Victoria. J. Ord
IRES
School of Biology
Devonshire Building
Newcastle University
NE1 7RU
+44 (0191) 2464813
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