[BioC] read.maimage error message

[mjonczyk]

Dear Kathy,

try to use quote sign without escape character, i.e. " not \" . Limma 
doesn't require escape character.

Also, as target you can specify file as simply "targets", if it has 
"FileName" column it will be read automatically.

HTH

Maciej

> Subject: [BioC] read.maimage error message
> Message: 4
> MIME-Version: 1.0
>
>
> I get the error \"Error in readGenericHeader(fullname, columns = 
> columns) :
>   Specified column headings not found in file
> In addition: Warning message:
> In file(file, \"r\") :
>   file(\"\") only supports open = \"w+\" and open = \"w+b\":using the 
> former\"

when I use RG <- read.maimages(targets$FileName, source=\"agilent\", 
annotation= c(\"FeatureNum\", \"Row\", \"Col\",\"ProbeUID\", 
\"ControlType\",\"ProbeName\", \"GeneName\", \"SystematicName\")).

> Then I used RG <- read.maimages(targets, source=\"agilent\"), I got 
> the same error as the former one, which is Error is 
> readGenericHeader(fullname, columns = columns) :

>   Specified column headings not found in file
> In addition: Warning message:
> In file(file, \"r\") :
>   file(\"\") only supports open = \"w+\" and open = \"w+b\": using 
> the former
>
> Thanks for your help!
>
> Kathy
>
>
-- 
Maciej Jonczyk,
Department of Plant Molecular Ecophysiology
Faculty of Biology, University of Warsaw
02-096 Warsaw, Miecznikowa 1
Poland



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