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aroma.affymetrix (version 3.2.3)

getXAM.ChipEffectSet: Gets the physical position, log-intensities and log-ratios of chip effects for two arrays

Description

Gets the physical position, log-intensities and log-ratios of chip effects for two arrays of units on a certain chromosome.

Usage

# S3 method for ChipEffectSet
getXAM(this, other, chromosome, units=NULL, ..., verbose=FALSE)

Arguments

Value

Returns a Nx3 matrix where N is the number of units returned. The names of the columns are X (physical position in a given chromosome), A (log-intensities) and M (log-ratios). The names of the rows are the unit indices (as indexed by the CDF).

Note: The rows are ordered according to chromosomal position.

See Also

*getAM(). For more information see ChipEffectSet.