[BioC] Loding cel files as a batch in R

[Sean Davis]

Does read.affybatch not work for you?

Sean

On Feb 25, 2005, at 1:01 PM, S Peri wrote:

> Hi,
>
> I have a bunch of .INT files.  I wrote a python script
> to chop the header information and other outlier probe
> information from a CEL file and I wrote only the
> intensities from CEL files to .INT files.
> Now my aim is to collect all the intensities from
> these 100 INT files and write a matrix.
>
> I wrote a small function, that goes to a directory
> picks up all the .INT files and write a matrix. I
> could not write this properly. Could any one correct
> me.
>
> Function:
>> cycle<-function(file.path=".",file.pattern="*.int")
> + {
> +
> files.2.process<-dir(path=file.path,pattern=file.pattern)
> + for(file.name in files.2.process)
> + {
> + current.file<-read.delim(file.name,sep='\t')
> + {
> + my_data<-data.frame(current.file)
> + }
> + }
> + }
>> data<-cycle("C:\Documents and
> Settings\Marray-affy\Database\U133\Bronchial_Epithelia\int\",".int")
> Error: syntax error
>
>
> Please help me.
>
> thanks
>
> S.Peri
>
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