Hi everywone!
I am performing a RDA analysis with vegan package in R.
I have a doubt regarding 'decostand' & 'scale' functions. Are they the same? Should I use one of them?
I have many soil variables ('data.var' : pH, CIC, N content, C/N ratio, microbial biomass, pH, CE, etc), and I was using both functions in my script:
.
.
data.var.sdz
Hi,
Using decostand + standardize is the same as scale. For example:
data(varespec)
sptrans
agree with the above answer.
the way you are using decostand with 'standardize', it is the same as scale option with rda.
however, decostand is more general in terms of the options it offers for transforming variables.
Check https://m.youtube.com/watch?v=i3Kl8fOitaQ
https://cran.r-project.org/web/packages/vegan/vignettes/decision-vegan.pdf
https://www.rdocumentation.org/packages/vegan/versions/2.4-2/topics/decostand
Prof. Maria,
I would like to refer you to this.
https://cran.r-project.org/web/packages/vegan/vegan.pdf
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