Dear Sirs,
How can I revert to an older limma version?
Typing "install.packages("limma")"  in R gives a list of mirrors. How
can I install the version I want after I obtain and untar the file (e.g,
limma_2.9.1.tar.gz)?
I am running R 2.5.0 on a Linux machine (CentOS 5).  When using limma it
will not go past the read.maimages command. 
I get this error:
Error in readGenericHeader(fullname, columns = columns, sep = sep) :
         Specified column headings not found in file
 In addition: Warning message:
input string 1 is invalid in this locale in: grep(pattern, x,
ignore.case, extended, value, fixed, useBytes)
I was told by a colleague that this may be due to my limma version. 
I try to use limma 2.10.5 and he uses 2.9.1
Could this be the reason?
Thanks in advance
Maya


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