Filter genes according to expression level

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Description

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

Usage

1

Arguments

exprs

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

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.

Value

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

Author(s)

Jing Yang

Examples

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