The ade4 Package - NexTag Supports Open Source Initiatives

toxicity 293
points(ref,xyz[,2], pch = pch0)
abline(lm(xyz[,2]~ -1 + ref))
points(ref,xyz[,3], pch = pch0)
abline(lm(xyz[,3]~ -1 + ref))
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.
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)