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)