| plotPcs {pcaMethods} | R Documentation |
A function that can be used to visualise many PCs plotted against each other
plotPcs(object, pcs=1:object@nPcs, type=c("scores",
"loadings"), sl=NULL, hotelling=0.95,...)
object |
pcaRes a pcaRes object |
pcs |
numeric which pcs to plot |
type |
character Either "scores" or "loadings" for scores
or loadings plot respectively |
sl |
character Text labels to plot instead of a point, if
NULL points are plotted instead of text |
hotelling |
numeric Significance level for the confidence
ellipse. NULL means that no ellipse is drawn. |
... |
Further arguments to pairs on which this
function is based. |
Uses pairs to provide side-by-side plots. Note
that this function only plots scores or loadings but not both in the
same plot.
None, used for side effect.
Henning Redestig
prcomp, pca, princomp, slplot
data(iris) pcIr <- pca(iris[,1:4], nPcs=3, method="svd") plotPcs(pcIr, col=as.integer(iris[,4]) + 1)