toxicity: Homogeneous Table

In ade4: Analysis of Ecological Data: Exploratory and Euclidean Methods in Environmental Sciences

Homogeneous Table

Description

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)
}

ade4 documentation built on Feb. 16, 2023, 7:58 p.m.