Fwd: problem with reading gpr files

> 
> (Posting it a second time ..)
> Hi
> I am new to analyzing gpr files and I am getting an error in the first stage of reading them.
> Here is the code:
> 
>> library(marray)
>> myfiles <- dir(pattern="gpr")
>> data<-read.GenePix(myfiles)
> where I get the error
>> Error in `[.data.frame`(dat, , name.Rf) : undefined columns selected
> 
> 
> I have also tried 
>> library(limma)
>> myfiles <- dir(pattern="gpr")
>> RG <- read.maimages(myfiles, source="genepix")
> Where also I get the error 
>> Error in `[.data.frame`(obj, , columns[[a]]) : undefined columns selected
> 
> 
> I tried to look for solution but couldn't find any except that the 'gpr files should be used as obtained from genepix'.
> I have only these files, is there any way to fix the files or find the cause of error.
> 
> Thanks
> Konika Chawla
> PhD Student
> Department of Biology
> NTNU 
> 
> 
> 
> 

Konika Chawla
PhD Student
Department of Biology
NTNU 

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