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

Worked out examples


> library(ade4)
> ### Name: friday87
> ### Title: Faunistic K-tables
> ### Aliases: friday87
> ### Keywords: datasets
> 
> ### ** 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)
> 
> 
> 
> 

[Package ade4 Index]