toxicity {ade4}R Documentation

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.

    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)

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