mixOmics (version 5.2.0)

image: Plot the cross-validation score.

Description

This function provide a image map (checkerboard plot) of the cross-validation score obtained by the tune.rcc function.

Usage

## S3 method for class 'tune.rcc':
image(x, col = heat.colors, \ldots)

Arguments

x

object returned by estim.regul.

col

a character string specifying the colors function to use: terrain.colors, topo.colors, rainbow

...

not used currently.

encoding

latin1

Details

image.estim.regul creates an image map of the matrix object$mat containing the cross-validation score obtained by the estim.regul function. Also a color scales strip is plotted.

See Also

tune.rcc, image.

Examples

data(nutrimouse)
X <- nutrimouse$lipid
Y <- nutrimouse$gene

## this can take some seconds
cv.score <- tune.rcc(X, Y, validation = "Mfold", plt = FALSE)
image(cv.score)