aviurba {ade4} | R Documentation

## Ecological Tables Triplet

### Description

This data set is a list of informations about 51 sites : species and environmental variables.
For each species, a data frame contains biological traits.

### Usage

    data(aviurba)

### Format

This list contains the following objects:

fau
  is a data frame 51 sites 40 species.
mil
  is a data frame 51 sites 11 environmental variables.
traits
  is a data frame 40 species 4 biological traits.
species.names.fr
  is a vector of the species names in french.
species.names.la
  is a vector of the species names in latin.
species.family
  is a factor : the species families.

### Source

Dolédec, S., Chessel, D., Ter Braak,C. J. F. and Champely S. (1996) Matching species traits to environmental variables: a new three-table ordination method. Environmental and Ecological Statistics, 3, 143–166.

### Examples

    data(aviurba)
    a1 <- dudi.coa(aviurba$fau, scan = FALSE, nf=4)
    a2 <- dudi.acm(aviurba$mil, row.w = a1$lw, scan = FALSE, nf = 4)
    plot(coinertia(a1, a2, scan = FALSE))

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