Hi Jim, Thanks for the helping me to start with these functions.I will look into it and try writing code by myself first. Thanks, Viritha On Mon, Jan 10, 2011 at 12:51 PM, James W. MacDonald <jmacdon@med.umich.edu>wrote: > Hi Viritha, > > > On 1/10/2011 12:20 PM, viritha kaza wrote: > >> Hi Group, >> I am new to R statistics. >> > > Welcome to the world of R! > > > I have normalised microarray data which I want to make median same for each >> sample before performing statistical analysis for ttest or SAM test.Can I >> do >> this in R ? If possible could you please help me in writing the code for >> 15 >> control and 23 treatment samples and have normalised data as a text file. >> > > I think we need to modify your expectations. You will get much better help > if you show some willingness to at least make an attempt to do something, > show your code, and ask where you went wrong. Simply stating your goal and > asking for somebody to give you the code is sub-optimal for two reasons: > > 1) Very few people will take the time to do something you haven't > apparently taken the time to attempt yourself. > > 2) Being given some obscure code that does what you want will not help you > climb the learning curve. You will be much better served by trying to get > things done, and then if you fail, asking for help. > > So here is a hint: > > ?sweep > ?median > > Also, read this: > > http://cran.r-project.org/doc/manuals/R-intro.html > > Best, > > Jim > > > Waiting for your response, >> Thanks, >> Viritha >> >> [[alternative HTML version deleted]] >> >> _______________________________________________ >> Bioconductor mailing list >> Bioconductor@r-project.org >> https://stat.ethz.ch/mailman/listinfo/bioconductor >> Search the archives: >> http://news.gmane.org/gmane.science.biology.informatics.conductor >> > > -- > James W. MacDonald, M.S. > Biostatistician > Douglas Lab > University of Michigan > Department of Human Genetics > 5912 Buhl > 1241 E. Catherine St. > Ann Arbor MI 48109-5618 > 734-615-7826 > ********************************************************** > Electronic Mail is not secure, may not be read every day, and should not be > used for urgent or sensitive issues > [[alternative HTML version deleted]]