Contingency Table with a partition in Molecular Biology

This data set gives the amino acids of 904 proteins distributed in three classes.

Usage

data(perthi02)

Format

perthi02 is a list of 2 components.

tab

is a data frame 904 rows (proteins of 201 species) 20 columns (amino acids).

cla

is a factor of 3 classes of protein

The levels of perthi02$cla are cyto (cytoplasmic proteins) memb (integral membran proteins) peri (periplasmic proteins)

Source

Perriere, G. and Thioulouse, J. (2002) Use of Correspondence Discriminant Analysis to predict the subcellular location of bacterial proteins. Computer Methods and Programs in Biomedicine, 70, 2, 99–105.

Examples

data(perthi02)
plot(discrimin.coa(perthi02$tab, perthi02$cla, scan = FALSE))