Dear List,
This is Elaine.
I am using metaMDS in package vegan to plot NMDS.
However, I want to draw the points using different colors according to
island sites.
For example:
island site 1: island B, C, D => blue
island site 2: island A, E, F => green
island site 3: island G, H, J => red
Please kindly advise how to modify the following code to classify the sites
by colors.
Thank you
Elaine
library(MASS)
library(vegan)
island.NMDS <- metaMDS(island,k=2, distfun = betadiver, distance =
"sim",trymax=100,zerodist="add")
plot(island.NMDS, type = "n")
# species as symbols
points(island.NMDS, display = 'species', pch = '+', cex = 0.6)
# sites as text
text(island.NMDS, display = 'sites')
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