spcmax {labdsv}

Species Maximum Standardization

Description

Standardizes a community data.frame by dividing the abundance of each species by the maximum value obtained for that species.

Usage

spcmax(comm)

Arguments

comm

community data.frame (samples as rows, species as columns)

Details

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.

Value

A data.frame of standardized community data.

Author(s)

David W. Roberts [e-mail]

See Also

samptot, abundtrans, hellinger

Examples

data(bryceveg)
smveg <- spcmax(bryceveg)
apply(smveg,2,max)