getSubsetVi {ropls} | R Documentation

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

### 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, etienne.thevenot@cea.fr

### 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)

[Package ropls version 1.18.8 Index]