readClf {affxparser}R Documentation

Parsing a CLF file using Affymetrix Fusion SDK

Description

This function parses a CLF file using the Affymetrix Fusion SDK. CLF (chip layout) files contain information associating probe ids with chip x- and y- coordinates.

Usage

readClf(file)

Arguments

file character(1) providing a path to the CLF file to be input.

Value

An list. The header element is always present.

header A list with information about the CLF file. The list contains elements described in the CLF file format document referenced below.
dims A length-two integer vector of chip x- and y-coordinates.
id An integer vector of length prod(dims) containing probe identifiers.
x An integer vector of length prod(dims) containing x-coordinates corresponding to the entries in id.
y An integer vector of length prod(dims) containing y-coordinates corresponding to the entries in id.

Author(s)

Martin Morgan mtmorgan@fhcrc.org

See Also

https://www.affymetrix.com/support/developer/fusion/File_Format_CLF_aptv161.pdf describes CLF file content.


[Package affxparser version 1.14.2 Index]