readGAL(galfile=NULL,path=NULL,header=TRUE,sep="\t",quote="\"",skip=NULL,as.is=TRUE,...)
NULL
then a file with extension .gal
is found in the directory specified by path
.NULL
then assumed to be the current working directory.TRUE
then the first line after skip
is assumed to contain column headings. If FALSE
then a value should specified for skip
.NULL
then this number is determined by searching the file for column headings.TRUE
then read in character columns as vectors rather than factors.read.table
as.is=FALSE
, containing gene library identifiersas.is=FALSE
, containing gene namesColumn
is the fastest moving index, then Row
, then Block
.
Block
, Column
, Row
and ID
.
A Name
column is usually included as well.
Other columns are optional.
See the Axon URL below for a detaile description of the GAL file format.This function reads in the data columns with a minimum of user information. In most cases the function can be used without specifying any of the arguments.
read.Galfile
in the marray package.An overview of LIMMA functions for reading data is given in 03.ReadingData.
# readGAL()
# will read in the first GAL file (with suffix ".gal")
# found in the current working directory
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