[BioC] problems using simpleaffy

Georg Otto georg.otto at tuebingen.mpg.de
Wed Mar 23 14:29:00 CET 2005


Dear Crispin,

I use the affymetrix zebrafish array, my OS is Mac OS 10.2.8.

Best,

Georg

On Wednesday, March 23, 2005, at 01:53 PM, Crispin Miller wrote:

> Hi Georg,
> The scale factors do indeed look somewhat odd - can you tell me what 
> array type you're looking at, and what OS you're running on?
>
> Crispin
>
>
> -----Original Message-----
> From: bioconductor-bounces at stat.math.ethz.ch 
> [mailto:bioconductor-bounces at stat.math.ethz.ch] On Behalf Of Georg > Otto
> Sent: 22 March 2005 21:43
> To: bioconductor at stat.math.ethz.ch
> Subject: [BioC] problems using simpleaffy
>
> Hi bioconductors,
>
> I have a problem trying to reproduce the user´s guide of simpleaffy 
> with my own data. I do it like this:
>
>> x<-read.affy("covdesc")
>> x.mas5<-call.exprs(x,"mas5")
> Background correcting
> Retrieving data from AffyBatch...done.
> Computing expression calls...
> ..........done.
> scaling to a TGT of 100 ...Scale factor for: 1.CEL 
> 1.27818905696529e-247 Scale factor for: 2.CEL 8.30729457715284e-252 
> Scale factor for: 3.CEL 1.27818905696529e-247 Scale factor for: 4.CEL 
> 1.27818905696529e-247 Scale factor for: 5.CEL 2.37641150479280e-156 
> Scale factor for: 6.CEL 2.37641150479280e-156 Scale factor for: 7.CEL 
> 1.27818905696529e-247 Scale factor for: 8.CEL 1.27818905696529e-247 
> Scale factor for: 9.CEL 2.37641150479280e-156 Scale factor for: 10.CEL 
> 2.37641150479280e-156  > qc.data<-qc(x, x.mas5) Getting probe level 
> data...
> Computing p-values
> Doing PMA Calls
> Error in FUN(X[[4]], ...) : subscript out of bounds
>
>
> First of all , the Scale factors look pretty odd. Secondly, I have no 
> clue, what the error message means. I would appreciate any hint.
>
> I am running simpleaffy 2.10 with R 2.0.1 on  powerpc-apple-darwin6.8
>
>
> Best,
>
> Georg
>



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