doVariableSelection {oncoPredict}

Remove genes with low variation.

Description

This function performs variable selection by removing genes with the lowest variance in the datasets.

Usage

doVariableSelection(exprMat, removeLowVaryingGenes = 0.2)

Arguments

exprMat

A matrix of gene expression levels. rownames() are genes, and colnames() are samples.

removeLowVaryingGenes

The proportion of low varying genes to be removed.The default is .2

Value

A vector of row/genes to keep.