ChemoSpec (version 2.0-2)

hcaSpectra: Plot HCA Results of a Spectra Object

Description

A wrapper which carries out HCA and plots a dendrogram colored by the information in a "Spectra" object. All methods for computing the cluster distances are available.

Usage

hcaSpectra(spectra, c.method = "complete", d.method = "euclidean", use.sym = FALSE, ...)

Value

An object of class dendrogram. The side effect is a plot.

Rdversion

1.1

References

http://academic.depauw.edu/~hanson/ChemoSpec/ChemoSpec.html

See Also

hclust for the underlying function. hcaScores for similar analysis of PCA scores from a "Spectra" object. plotHCA for the function that actually does the plotting.

Examples

data(SrE.IR)
myt <- expression(bolditalic(Serenoa)~bolditalic(repens)~bold(IR~Spectra))
hcaSpectra(SrE.IR, main = myt)