DCGL (version 1.02)

expressionBasedfilter: To filter genes according to expression level

Description

Genes which 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(dataC)
expressionBasedfilter(dataC)