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2013 Dec 17
1
What is the formula of Pseudo-F statistic in capscale in vegan?
...mula
We know that PRIMER uses the following formula to calculate the pseudo-F for
a sequential test of significance (equation 4.3, Anderson, Gorley, and
Clarke 2008, Chapter 4. Pg. 129, and based on pseudo-F equation in Legendre
and Anderson (1999), Ecological Monographs vol. 69):
F= (SSFull - SSReduced)/(qFull-qReduced)
(SSTotal-SSFull)/(N - qFull - 1)
(3) R code
## creating Bray-Curtis of Biodiversity data
H.BC <- vegdist(H.Full [,14:211], "bray")
## Distance based redundancy analysis (dbRDA)
m1<-capscale(H.BC ~ GroupSize + Board + MtgStyle + DmStyle + DifView...