[BioC] errors with read.maimages

[Ana Conesa]

Dear List,

I am getting a couple of erros when trying to  import gpr files using 
the read.maimages of Limma

RG1<-read.maimages(targets1,source="genepix")
Error in sub(pattern, replacement, x, ignore.case, extended, fixed, 
useBytes) :
        input string 1 is invalid in this locale

In this case I simply cannot load the corresponding gpr files


 > f<-function(x)as.numeric(x$Flags>-99)
 > RG2<-read.maimages(targets2,source="genepix",wt.fun=f)
Error in gsub(pattern, replacement, x, ignore.case, extended, fixed, 
useBytes) :
        input string 1 is invalid in this locale

In this case I have problems when trying to read the flags but it will 
work OK if I skip the wt.fun parameter



In all cases I am using gpr files generated in the same project and I am 
able to read other gpr files from the same platform (but never succeed 
in getting the flags)

 
I am using R 2.5.1 on a Kubuntu 7.10 machine
Any tips on what to do are much appreciated

Thanks


Ana

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Ana Conesa, PhD
Bioinformatics Department
Centro de Investigación Príncipe Felipe
Avda. Autopista Saler, 16
46013 Valencia Spain
http://bioinfo.cipf.es/aconesa
==========================================
CAMDA2007 Conference @ CIPF
http://camda.bioinfo.cipf.es