ade4 (version 1.01)

toxicity: Homogeneous Table

Description

This data set gives the toxicity of 7 molecules on 16 targets expressed in -log(mol/liter)

Usage

data(toxicity)

format

toxicity is a list of 3 components.

1. tab

{is a data frame with 7 columns and 16 rows} species{is a vector of the names of the species in the 16 targets} chemicals{is a vector of the names of the 7 molecules}

source

Devillers, J., Thioulouse, J. and Karcher W. (1993) Chemometrical Evaluation of Multispecies-Multichemical Data by Means of Graphical Techniques Combined with Multivariate Analyses. Ecotoxicology and Environnemental Safety, 26, 333--345

Examples

data(toxicity)
table.paint(toxicity$tab, row.lab = toxicity$species, 
    col.lab = toxicity$chemicals)

table.value(toxicity$tab, row.lab = toxicity$species, 
    col.lab = toxicity$chemicals)