Dear List:

Happy New Year!

I have a question regarding mapping the gene to a copy number variations.

I have affy 250 nsp mapping arrays results. Now I try to map the result for each probe to a gene. 
then, I can perform correlation analysis between the copy number variation and gene expression level for candidate genes.

I think I have an idea to map expression levels to each gene; but I don't know how to map copy number variation values to each gene.
Should I just parse the annotation file of "Mapping250K_Nsp.na32.annot.csv" to match each probe to a gene symbol? or there are some other ways.
Which tools would you recommend?

Any suggestion will be appreciated. Thank you.

-Xiaokuan
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