Displaying 4 results from an estimated 4 matches for "ecolgical".
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ecological
2003 Dec 09
2
packages for ecologists
...r me to decide which one is worth mentioning.
I used only a small part of all R packages (mainly recommended packages and
grasper) and would like to know which package for ecologist has to be
mentioned.
I would greatly appreciate if you can tell me which packages you think are
very useful for ecolgical research in R e.g. vegan, ade4, ...
thanks in advance, regards Martin
2003 Dec 15
0
packages for ecologists - summary
...> I used only a small part of all R packages (mainly recommended packages
and
> grasper) and would like to know which package for ecologist has to be
> mentioned.
>
> I would greatly appreciate if you can tell me which packages you think are
> very useful for ecolgical research in R e.g. vegan, ade4, ...
>
> thanks in advance, regards Martin
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listinfo/r-help
__________...
2010 Feb 25
1
adonis(), design
...ello list,
i'd appreciate help regarding formula expression in adonis(), package vegan.
i'm interested in the effect of an impact on species composition and if this
effect is the same for different sites.
i have an impact survey with plot pairs, one plot with impact the other with
similar ecolgical conditions but without impact, which is the control
(factor1: impact).
two different sites were sampled, at each 6 plot pairs (factor2: community)
with a final N of 24.
so this would be a 2-factorial crossed design, right? thus, i called:
adonis(speciesdata~Community*Impact)
....but do i have...
2003 Sep 12
2
partial mantel
Dear all,
Has anyone written R code for partial Mantel Tests- as described for
instance in Legtendre & Legendre (1998) ?
In other words, in a community ecology analysis, I would like to calculate
the correlation between two dissimilarity matrices, controlling for a third
distance matrix representing geographical distances between sites.
Thanks!
Christophe Bouget
Biodiversité et gestion des