bio3d (version 2.1-2)

plot.pca.loadings: Plot Residue Loadings along PC1 to PC3

Description

Plot residue loadings along PC1 to PC3 from a given xyz C-alpha matrix of loadings.

Usage

## S3 method for class 'pca.loadings':
plot(x, resnums = seq(1, (length(x[, 1])/3), 25), ...)

Arguments

x

the results of principal component analysis obtained from pca.xyz, or just the loadings returned from pca.xyz.

resnums

a numeric vector of residue numbers.

...

extra plotting arguments.

Value

• Called for its effect.

References

Grant, B.J. et al. (2006) Bioinformatics 22, 2695--2696.

See Also

pca.xyz, plot.pca

Examples

data(transducin)
attach(transducin, warn.conflicts=FALSE)
pc.xray <- pca.xyz(pdbs$xyz[, gap.inspect(pdbs$xyz)$f.inds])
plot.pca.loadings(pc.xray$U)

detach(transducin)