wimage.cpd {compdiagTools}R Documentation

Draw an Image of Residuals

Description

Residuals are shown color coded according to their location on the chip in a two dimensional layout.

Usage

wimage.cpd(plmset, which, filename = NULL, ...)
wimage.resids(sampleName, residuals, abo, pm.index, filename = NULLm, ...)

Arguments

plmset affyPLM-object from which residuals are extracted.
which which sample to choose, an integer number.
sampleName the name of the samle to be shown.
residuals residuals as from median polish as a vector of entries, one per probe.
abo affyBatch object used to deduce chip properties.
pm.index indeces for perfect match probes.
filename writes a png-bitmap if this parameter is specified.
... further arguments passed to 'bitmap.

Details

In this plot, you can see local artefacts which affected neighboring probes. A chip of good quality has no striking marks or taints.

Author(s)

Stefan Bentink

See Also

bitmap


[Package compdiagTools version 1.5.3 Index]