labdsv: samptot – R documentation

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samptot

Sample total standardization

Description

Standardizes a community data set to a sample total standardization.

Usage

samptot(comm)

Arguments

comm

a community matrix (samples as rows, species as columns)

Details

This function simply calculates row sums for the community matrix and then divides all values in that row by the appropriate sum so that all samples total to 1.0.

Value

A data frame of sample total standardized community data.

Author(s)

David W. Roberts droberts@montana.edu http://ecology.msu.montana.edu/droberts/droberts.html

References

http://ecology.msu.montana.edu/labdsv/R

Examples

data(bryceveg)
    stveg <- samptot(bryceveg)
    apply(stveg,1,sum)

labdsv

Ordination and Multivariate Analysis for Ecology

v2.0-1

GPL (>= 2)

Authors

David W. Roberts <droberts@montana.edu>

Initial release