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 9 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)
    kplot(sepan(wfri), clab.r = 2, clab.c = 1)

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