aqm.pca {arrayQualityMetrics}R Documentation

Performs Principal Component Analysis on aqmobj.prepdata objects.

Description

aqm.pca performs a PCA of the arrays and formats the output for aqm.plot usage.

Usage

 aqm.pca(expressionset, dataprep, intgroup = "Covariate", ...) 

Arguments

expressionset Same input as for the function arrayQualityMetrics
dataprep An object of class aqmobj.prepdata
intgroup Same input as for the function arrayQualityMetrics
... Any arguments to levelplot

Details

See the aqm.prepdata help or the aqm Vignette for example of this object.

Value

An object of class aqmobj.pca.

Author(s)

Audrey Kauffmann <audrey@ebi.ac.uk>

See Also

aqm.prepdata, aqmobj.prepdata, aqmobj.pca


[Package arrayQualityMetrics version 2.2.3 Index]