Hi All
I am completely new to R and I am currently working on a project using R. I would like to know, how do we normalize using R for gene expression data.
I could always take the help of really good books! :) Thanks a lot Laurin :)
Hi I was stuck while trying to get the top genes that had the highest expression variance across patients. I have a gene expression data and I would like to choose only lets say top 200 genes...
05 June 2011 4,306 0 View
Hi All I came across this paper which does normalization of both rows and columns, and as far as I know we cannot normalize rows and columns simultaneously and also most people prefer to either...
04 May 2011 3,898 6 View
Hi All Normalization is very important for clustering gene expression data. I am working on some cancer-related datasets and I came across this paper which does normalization of both rows and...
04 May 2011 6,876 10 View
Hi all, I see the use of PERL is largely dominating the research field these days, and as a fresh graduate, I think it is important to get hands-on experience in PERL programming for better...
01 February 2011 2,678 2 View
when we compare two tools, is it possible to compare the fold change, since when I log transform their values, one accepts negative values while other tool does not, so the analysis goes wrong....
07 August 2010 2,948 2 View
Anyone has any idea about pvalue and fold change in gene expression analysis?
06 July 2010 6,125 11 View
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