[BioC] Hello,I have very urgent questions
Saroj K Mohapatra
saroj at vt.edu
Fri Oct 30 02:41:48 CET 2009
Dear Wei:
The message indicates some problem with memory. You need a machine with
more memory. You might also try with smaller data (e.g., fewer
microarrays, etc.) and see if the problem persists.
There are functions that get the Gene Ontology annotation for genes in
the org.xx.eg.db packages, where xx refers to the short form of the
species names (Mm for Mus musculus, Hs for Homo sapiens, etc). Once you
load the library, you could use the function org.Mm.egGO to map between
Entrez Gene IDs and Gene Ontology.
If you provide a reproducible example, it would be easier for others to
understand your situation and send more helpful comments.
Best wishes,
Saroj
Sun Wei wrote:
> Dear Sir/Madam,
> Here I have two question.
> First is when I run R in the computer, I found the computer appeared wrong message "Error: cannot allocate vector of size 214.5 Mb", what is its mean? Would you kind to give me more suggestion?
> Second question is: how to get the Gene Ontology of a list of genes?especially,if I have the gene names in the first column in the EXCEL how can I get the Gene Ontology in the second column in the EXCEL? I have asked some people, but they only know how to get the Gene Ontology of single gene, but in my data I have thousands of genes. Would you kind to tell me the R commands to get the Gene Ontology file of a list of genes?
>
> I am looking forward to hearing from you, and please send your reply to me or please tell me where can I find your reply.
> Thank you very much.
> Cheers
> Wei
>
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