extract gene-level expression measurements from ballgown objects

Description

For objects created with Cufflinks/Tablemaker, gene-level measurements are calculated by appropriately combining FPKMs from the transcripts comprising the gene. For objects created with RSEM, gene-level measurements are extracted directly from the RSEM output.

Usage

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gexpr(x)

## S4 method for signature 'ballgown'
gexpr(x)

Arguments

x

a ballgown object

Value

gene-by-sample matrix containing per-sample gene measurements.

Examples

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data(bg)
gene_matrix = gexpr(bg)

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