thank you for a reply,do you know friendly tutorial for this?
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hello All, I want to do differential expression of Microarray data and then to do meta analysis.do you know R package that do two works?
Try 'affy' and 'limma' to identify deferentially expressed genes. "bioMart" for meta analysis.
thank you for a reply,do you know friendly tutorial for this?
You could try these two http://homer.salk.edu/homer/basicTutorial/affymetrix.html
From Data import to Normalization in Microarray Analysis using in R (Part I) Hope it will help.
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I heard about the COMBAT batch correction and cross-platform normalization method then you can merge the datasets by means of common ENTREZ identifiers to obtain common space across all platforms.