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)

[Package Contents]