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

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

Description

Extracts the indices of the samples used for building the model (when a subset argument has been specified)

Usage

getSubsetVi(object, ...)

## S4 method for signature 'opls'
getSubsetVi(object)

Arguments

object	An S4 object of class opls, created by opls function.
...	Currently not used.

Value

Integer vector with the indices of the samples used for training

Author(s)

Etienne Thevenot, [e-mail]

Examples

data(sacurine)
attach(sacurine)

predictorMN <- dataMatrix
responseFc <- sampleMetadata[, "gender"]

sacurine.plsda <- opls(predictorMN,
                       responseFc,
                       subset = "odd")

trainVi <- getSubsetVi(sacurine.plsda)

table(responseFc[trainVi], fitted(sacurine.plsda))

detach(sacurine)

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