friday87 {ade4} | R Documentation

## Faunistic K-tables

### Description

This data set gives informations about sites, species and environmental variables.

### Usage

    data(friday87)

### Format

`friday87` is a list of 4 components.

fau

  is a data frame containing a faunistic table with 16 sites and 91 species.

mil

  is a data frame with 16 sites and 11 environmental variables.

fau.blo

  is a vector of the number of species per group.

tab.names

  is the name of each group of species.

### Source

Friday, L.E. (1987) The diversity of macroinvertebrate and macrophyte communities in ponds, Freshwater Biology, 18, 87–104.

### Examples

    data(friday87)
    wfri <- data.frame(scale(friday87$fau, scal = FALSE))
    wfri <- ktab.data.frame(wfri, friday87$fau.blo,
        tabnames = friday87$tab.names)

    if(adegraphicsLoaded()) {
      g1 <- kplot(sepan(wfri), row.plabels.cex = 2)
    } else {
      kplot(sepan(wfri), clab.r = 2, clab.c = 1)
    }

[Package ade4 version 1.7-13 Index]