Description Usage Arguments Details Value Author(s) References Examples
A function performing MA transformation of data with replicates (for internal use).
1 | am.trans(y)
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y |
expression data with replicates per each condition |
For duplicate arrays (x1, x2), M=x1/x2 versus A=x1*x2 can facilitate the investigation of between-duplicate variability in terms of overall intensity.
matrix |
MA matrix |
Jungsoo Gim
J. Gim and T. Park, PLoS ONE under revision (http://bibs.snu.ac.kr/software/LPEseq)
1 2 3 4 5 6 7 8 9 | ## Generating a replicated simulation dataset
simData <- generateData(n.deg=1000)
## Normalization
normData <- generateData(simData[,-7])
## MA transformation
MAdata4X <- am.trans(normData[,1:3])
MAdata4Y <- am.trans(normData[,4:6])
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