Hello everybody, I have just sterted to have a look at BioC...can anyone tell me wich packages are essential for cDNA microarray data analysis? and wich ones I may ignore... sorry if the question is so obvious... thanks to all in advance. EM

For reading in data, normalizing and computing e.g., t-tests or F-tests you can use either: marray* packages or limma For doing multiple comparisons corrections you can use either multtest or siggenes or limma You can also use combinations of the above, but for starters it might be easier to stick with one paradigm until you get up to speed. Best idea is to have a look at the vignettes for these packages and see which one looks good for you. HTH, Jim James W. MacDonald Affymetrix and cDNA Microarray Core University of Michigan Cancer Center 1500 E. Medical Center Drive 7410 CCGC Ann Arbor MI 48109 734-647-5623 >>> "marchiem@libero.it" <marchiem@libero.it> 12/12/03 01:41PM >>> Hello everybody, I have just sterted to have a look at BioC...can anyone tell me wich packages are essential for cDNA microarray data analysis? and wich ones I may ignore... sorry if the question is so obvious... thanks to all in advance. EM _______________________________________________ Bioconductor mailing list Bioconductor@stat.math.ethz.ch https://www.stat.math.ethz.ch/mailman/listinfo/bioconductor