Hi,
vegan::rrarefy() is the right way to do this.
However, I can't imagine, how to take 50 random individuals from a
sample with less then 50 individuals.
One doesn't know, what species would be collected in case of a larger
sampling effort, R doesn't know either.
I would suggest doing this on
Hi Paris,
excuse-me if I do not understand you. I think that or you standardize
you effort to less individual in your samples or you extrapolation your
sample to that more abundant. If you have sample with less individual,
like you say, it is not recomended to do extrapolation.
If your accum
Hello,
A parametric model (e.g. Clench) would allow both intrapolation and
extrapolation. There are some caveats of course: (1) these models arose in
the temporal accumulation sense, spatial accumulation is usually calculated
for randomized data, which is an assumption that individuals in the
samp
As your output *clearly* tells you, `spp_sites_mat` is a *list*:
str(spp_sites_mat)
List of 186
<
HERE!
$ ADON.CUPA: num [1:450] 0 0 0 0 0 0 0 0 0 0 ...
$ AEGI.GENI: num [1:450] 0 0 0 0 0 1 1 0 1 0 ...
$ AINS.