I have a similar question, but I could not find the text Gavin Simpson was
referring to.
I have done RDA and CCA plots earlier, using vegan (and Rstudio). However, it
seems like something has changed when I updated the versions. The same script I
used before now gives me RDA or CCA with arrow, BUT NO LABELS ON THE ARROWS.
very strange
PLEASE help! I have tried and tried but obviously my R knowledge is not good
enough. It probably something obvious, but I cannot see it.
rdares = rda(spec ~ Water_temp + Mg + COT, chem, na.action = na.omit)
#the chem1 file I unly use to color the points, the environmental data is in
"chem" file
chem1<-read.csv("Names.csv", header=T)
plot(rdares, display = c ("sites", "bp"), cex=0.3)
points(rdares, display = "sites", col = chem1$Season, pch = 16, cex=1.7)
text(rdares, dis = "bp", col = chem1, cex=0.3)
Best Regards, Sonja
Sonja K. Fagervold, Researcher
Observatoire Oc�anologique
Laboratoire de Biodiversit� et Biotechnologies Microbiennes-LBBM
66650 Banyuls-sur-Mer- France
Sonja K. Fagervold, Researcher
Observatoire Oc�anologique
Laboratoire de Biodiversit� et Biotechnologies Microbiennes-LBBM
USR 3579 - UPMC- CNRS
66650 Banyuls-sur-Mer- France
Tel: +33 (0) 4 30 19 24 03
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