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

In ropls: PCA, PLS(-DA) and OPLS(-DA) for multivariate analysis and feature selection of omics data

Description

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

Usage

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, [e-mail]

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

data(sacurine)
attach(sacurine)

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

getVipVn(sacurine.plsda)

detach(sacurine)

ropls documentation built on Nov. 8, 2020, 7:46 p.m.