getVipVn: getVipVn method for (O)PLS(-DA) models

Description Usage Arguments Value Author(s) References Examples

Description

(Orthogonal) VIP of the (O)PLS(-DA) model

Usage

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getVipVn(object, ...)

## S4 method for signature 'opls'
getVipVn(object, orthoL = FALSE)

Arguments

object

An S4 object of class opls, created by opls function.

...

Currently not used.

orthoL

Logical: Should the orthogonal VIP be returned (default is FALSE and the predictive VIP is returned)

Value

Numeric vector with a length equal to the number of variables and a number of columns equal to the number of components

Author(s)

Etienne Thevenot, etienne.thevenot@cea.fr

References

Galindo-Prieto B., Eriksson L. and Trygg J. (2014). Variable influence on projection (VIP) for orthogonal projections to latent structures (OPLS). Journal of Chemometrics 28, 623-632.

Examples

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data(sacurine)
attach(sacurine)

sacurine.plsda <- opls(dataMatrix,
                       sampleMetadata[, "gender"])

getVipVn(sacurine.plsda)

detach(sacurine)


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