DCGL (version 2.1.2)

expressionBasedfilter: Filter genes according to expression level

Description

Genes that have a higher between-sample mean expression signal are retained, while other genes are discarded.

Usage

expressionBasedfilter(exprs)

Arguments

exprs

a data frame or matrix with rows as variables (genes) and columns as samples.

Value

A data frame or matrix with a reduced number of rows.

Details

Genes which have a Between-Experiment Mean Expression Signal (BEMES) lower than the median of BEMES's of all genes will be filtered out.

Examples

data(exprs)
expressionBasedfilter(exprs)