madMatrix: Compute MAD between colums of a matrix or data.frame

Description Usage Arguments Details Value Note Author(s) References See Also Examples

View source: R/madMatrix.R

Description

Compute MAD between colums of a matrix or data.frame. Can be used to create a similarity matrix for a microarray experiment.

Usage

1

Arguments

x

matrix or data.frame

Details

This functions computes the so called similarity matrix (based on MAD) for a microarray experiment; cf. Buness et. al. (2004).

Value

matrix of MAD values between colums of x

Note

A first version of this function appeared in package SLmisc.

Author(s)

Matthias Kohl Matthias.Kohl@stamats.de

References

Andreas Buness, Wolfgang Huber, Klaus Steiner, Holger Sueltmann, and Annemarie Poustka. arrayMagic: two-colour cDNA microarray quality control and preprocessing. Bioinformatics Advance Access published on September 28, 2004. doi:10.1093/bioinformatics/bti052

See Also

plotMAD

Examples

1
2
3
## only a dummy example
M <- madMatrix(matrix(rnorm(1000), ncol = 10))
madPlot(M)

MKmisc documentation built on May 29, 2017, 2:10 p.m.

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