[BioC] SNPRMA: Normalizing...Error in readChar(con, 5) : cannot open the connection

Benilton Carvalho bcarvalh at jhsph.edu
Sat Jun 23 17:26:36 CEST 2007


What are your sessionInfo() and traceback()?

If you installed the pd.mapping pkgs from the source, make sure  
you're using the latest version.

If your OS is windows, we're working on a solution for the pd.mapping  
pkgs.

b

On Jun 23, 2007, at 10:56 AM, Alex Lisovich wrote:

> Dear All,
>
> I am getting the following error when using snprma() on oligo
> v.1.0.2-6 with pd.mapping250k.sty which I believe was once discussed
> on the list on June 4, 2007 (see below):
>
>> library(oligo)
>> library(pd.mapping250k.sty)
>> rawData<-read.celfiles(list.celfiles())
>> rma<-snprma(rawData)
>
>> Normalizing...Error in readChar(con, 5) : cannot open the connection
>> In addition: Warning message:
>> cannot open compressed file
>
> I am wondering if this problem was solved and if yes what was a  
> solution.
>
> Thank you in advance for your help!
>
> Alex
>
>
>
>
>> Hi An,
>>
>> that's problably R complaining a file that it didn't find. The
>> strange thing is that I can't reproduce it here. Could you please
>> forward me the results of traceback()?
>>
>> This would happen if, for example, oligo finds the old version of the
>> pd.mapping250k.sty package.
>>
>> b
>
> On Jun 4, 2007, at 8:07 AM, De Bondt, An-7114 [PRDBE] wrote:
>
>>> Hi Ben,
>>>
>>> When using oligo version 1.0.2-3, the pmStrand function indeed
>>> works :-)
>>> but the snprma function results in an error:
>>>
>>>      fsetSty <- read.celfiles(dir()[grep("S.CEL", dir())])
>>>      rmaSty <- snprma(fsetSty)
>>>
>>> Normalizing...Error in readChar(con, 5) : cannot open the connection
>>> In addition: Warning message:
>>> cannot open compressed file
>>>
>>> How can I check which connection needs to be established?
>>>
>>> Thanks in advance for your help!
>>> An
>>>
>
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