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2012 May 09
1
reception of (Vegan) envfit analysis by manuscript reviewers
I'm getting lots of grief from reviewers about figures generated with
the envfit function in the Vegan package. Has anyone else struggled to
effectively explain this analysis? If so, can you share any helpful
tips?
The most recent comment I've gotten back: "What this shows is which
NMDS axis separates the communities, not the relationship between the
edaphic factor and the
2006 Jan 27
1
about lm restrictions...
...get distinct results for
the T-test (in summary(lm.object) function) and
the F-test (in anova(lm.object) )
shouldn't this two approach give me the same result, i.e
to indicate the same significants terms in both tests???????
obs.
The system has two restrictions:
1) sum( x_i ) = 1
2) sum( z_j ) = 1
*output below*
_question 2_
Has I to considerate a SST in ANOVA table with:
1) N-2 d.f. because of 2 restrictions?
or
2) N-1 d.f. because of 1 global restriction: sum( x ) + sum( z ) = 2 ?
I don't find any paper, book or another reference,
if someone may to indicate references f...