Homogeneous Table
toxicity.Rd
This data set gives the toxicity of 7 molecules on 17 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 17 rows
- species
is a vector of the names of the species in the 17 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)
if(adegraphicsLoaded()) {
table.image(toxicity$tab, labelsy = toxicity$species, labelsx = toxicity$chemicals, nclass = 7,
ptable.margin = list(b = 5, l = 25, t = 25, r = 5), ptable.y.pos = "left", pgrid.draw = TRUE)
table.value(toxicity$tab, labelsy = toxicity$species, labelsx = toxicity$chemicals,
ptable.margin = list(b = 5, l = 5, t = 25, r = 26))
} else {
table.paint(toxicity$tab, row.lab = toxicity$species, col.lab = toxicity$chemicals)
table.value(toxicity$tab, row.lab = toxicity$species, col.lab = toxicity$chemicals)
}