readHeader.GenePixData: Reads a GenePix Results (GPR) file header

In HenrikBengtsson/aroma: An R Object-oriented Microarray Analysis package

Description

Reads a GenePix Results (GPR) file header. This method will parse the header of a GPR file and extract all header information including the column names of the preceeding data section.

Usage

GenePixData$readHeader(filename, path=NULL, verbose=FALSE, ...)

Arguments

filename	The filename of the file to be read.
path	The path to the file.
verbose	If TRUE, information will printed out during the reading of the file.

Details

This method is used internally by the *read() method.

There are many difference version of the GenePix image analysis software and almost equally number of different versions of the GenePix Results file format. All example data available at http://www.axon.com/gn_GPR_Format_History.html have been tested and can successfully be read using this method.

Value

Returns a list of the header fields, but also the names and the "guessed" classes of the columns to be read.

Author(s)

Henrik Bengtsson (http://www.braju.com/R/)

References

GenePix File Formats: http://www.axon.com/GN_GenePix_File_Formats.html, http://www.axon.com/gn_GPR_Format_History.html

See Also

To read a GenePix Results file including the data section see *read(). For more information see GenePixData.

Examples

  header <- GenePixData$readHeader("gpr123.gpr", path=system.file("data-ex", package="aroma"))
  str(header)

HenrikBengtsson/aroma documentation built on May 7, 2019, 12:56 a.m.