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Standardizes a community data.frame by dividing the abundance of each species by the maximum value obtained for that species.
spcmax(comm)
A data.frame of standardized community data.
community data.frame (samples as rows, species as columns)
David W. Roberts droberts@montana.edu http://ecology.msu.montana.edu/droberts/droberts.html
This is a simple standardization to make each species abundance scaled from 0 to 1, essentially relativizing abundance by species and making each species equal in the calculation of distance or dissimilarity or other analyses.
http://ecology.msu.montana.edu/labdsv/R
samptot, abundtrans, hellinger
data(bryceveg) smveg <- spcmax(bryceveg) apply(smveg,2,max)
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