[BioC] What is the maximaze number(size) of cel files can PC handle?

Joyce Gu jwgu at bcm.tmc.edu
Tue Aug 17 22:40:58 CEST 2004


Hello,
I am wondering how super is your computer? I actually want to ask some 
question about this. My computer can not even handle 64 cel files. I have 1 GB 
RAM.
Is any limitation on that? Is it the memory problem or something else?

Thanks
Joyce
>===== Original Message From pingzhao Hu <phu at sickkids.ca> =====
>Hi all,
>I have a affy dataset ( hgu95av2cdf ) which has 207 arrays.
>One of these .CEL files can not be read from our supercomputer.
>The error message is as follows:
>
> > myaffybatch<-ReadAffy(verbose=TRUE)
>1 reading /export/scratch4/pinghu/CL2001031608AA.CEL ...done.
>instanciating an AffyBatch (intensity a 409600x207 matrix)...done.
>2 reading /export/scratch4/pinghu/CL2001031611AA.CEL ...done.
>3 reading /export/scratch4/pinghu/CL2001031612AA.CEL ...done.
>4 reading /export/scratch4/pinghu/CL2001031613AA.CEL ...done.
>5 reading /export/scratch4/pinghu/CL2001031615AA.CEL ...done.
>6 reading /export/scratch4/pinghu/CL2001031616AA.CEL ...done.
>7 reading /export/scratch4/pinghu/CL2001031618AA.CEL ...done.
>8 reading /export/scratch4/pinghu/CL2001031622AA.CEL ...done.
>9 reading /export/scratch4/pinghu/CL2001031625AA.CEL ...done.
>-----------------------------------------------------------------------------
----------------
>191 reading /export/scratch4/pinghu/CL2001032846AA.CEL ...done.
>192 reading /export/scratch4/pinghu/CL2001032848AA.CEL ...done.
>193 reading /export/scratch4/pinghu/CL2001032856AA.CEL ...done.
>194 reading /export/scratch4/pinghu/CL2001032857AA.CEL ...Error in
>read.celfile(filenames[[i]], compress = compress, rm.mask = rm.mask,  :
>         Cannot open the file /export/scratch4/pinghu/CL2001032857AA.CEL
>-----------------------------------------------------------------------------
-------------------------
>
>actually this file (CL2001032857AA.CEL) I can read it from my pc machine.
>
>The verion of R on supercomputer is 1.7 and the version of R on my pc
>machine is 1.9.
>
>How can I solve this problem????
>
>Thanks
>
>pingzhao
>
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