Sounds like you should go to the Bioconductor website http://www.bioconductor.org/ and get plugged into their extensive and professionally written software instead of shaking and baking your own.
-- Bert Gunter Genentech Non-Clinical Statistics South San Francisco, CA "The business of the statistician is to catalyze the scientific learning process." - George E. P. Box > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Li, > Aiguo (NIH/NCI) [C] > Sent: Wednesday, March 22, 2006 2:16 PM > To: [email protected] > Subject: [R] a question related to clustering > > Hello all, > > > > I have a fundamental question to ask related to clustering. As you > know, when we do statistic analysis, such as t-test, or anova, we like > to log transform our data to make it normally distributed. > My question > is shall we use signal intensity of affy chips to cluster or use log > transformed data. The Dendrogram profiles are certainly > different when > comparing two type of the data. > > > > Thanks, > > > > AG > > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
