biplot.mvr

From pls v2.7-2
0th

Percentile

Biplots of PLSR and PCR Models.

Biplot method for mvr objects.

Keywords
multivariate, hplot, regression
Usage
# S3 method for mvr
biplot(x, comps = 1:2, which = c("x", "y", "scores", "loadings"),
var.axes = FALSE, xlabs, ylabs, main, …)
Arguments
x

an mvr object.

comps

integer vector of length two. The components to plot.

which

character. Which matrices to plot. One of "x" (X scores and loadings), "y" (Y scores and loadings), "scores" (X and Y scores) and "loadings" (X and Y loadings).

var.axes

logical. If TRUE, the second set of points have arrows representing them.

xlabs

either a character vector of labels for the first set of points, or FALSE for no labels. If missing, the row names of the first matrix is used as labels.

ylabs

either a character vector of labels for the second set of points, or FALSE for no labels. If missing, the row names of the second matrix is used as labels.

main

character. Title of plot. If missing, a title is constructed by biplot.mvr.

Further arguments passed on to biplot.default.

Details

biplot.mvr can also be called through the mvr plot method by specifying plottype = "biplot".

See Also

mvr, plot.mvr, biplot.default

• biplot.mvr
Examples
# NOT RUN {
data(oliveoil)
mod <- plsr(sensory ~ chemical, data = oliveoil)
# }
# NOT RUN {
## These are equivalent
biplot(mod)
plot(mod, plottype = "biplot")

## The four combinations of x and y points:
par(mfrow = c(2,2))
biplot(mod, which = "x") # Default
biplot(mod, which = "y")
biplot(mod, which = "scores")
biplot(mod, which = "loadings")
# }

Documentation reproduced from package pls, version 2.7-2, License: GPL-2

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