spkTools (version 1.28.0)

spkPairNS: Pairwise Comparisons for Non-Spike-in Genes

Description

Compute log-ratios among non-spike-in genes.

Usage

spkPairNS(object, output="M")

Arguments

object

a SpikeInExpressionSet object

output

what to return; either "M" for log-ratios or "A" for average log expression.

Value

A matrix containing either log-ratios (M) or average log expression (A). Rows are genes and columns are array pairings.

Examples

data(affy)
affyPairNS <- spkPairNS(affy)