and you can read the vignette. sections 4.1 and chapters 6 and 7 have some info that may help. -r On Wed, 27 Aug 2003, James MacDonald wrote: > You access the data by using the pm() and mm() functions. > > For instance: > > pm(abatch)[1:1000] <- 200 > > will replace the first 1000 pm values with 200. > > 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 > > >>> Marcus <marcusb@biotech.kth.se> 08/27/03 03:59AM >>> > Hello all!! > > How do I get access to the individual probe intensities in my data object > (which I get with the > data<-ReadAffy() command) ? > > I know that I can get them with the mm() and pm() functions but if I would > like to see,filter,remove or change the data in the data object, how is > this accomplished? > > Essentially: How is the data object built up and how do you access it?? > > Another question: How and where is the background value stored/calculated?? > > /Marcus > > ******************************************************************** *********************** > Marcus Gry Bj?rklund > > Royal Institute of Technology > AlbaNova University Center > Stockholm Center for Physics, Astronomy and Biotechnology > Department of Molecular Biotechnology > 106 91 Stockholm, Sweden > > Phone (office): +46 8 553 783 39 > Fax: + 46 8 553 784 81 > Visiting adress: Roslagstullsbacken 21, Floor 3 > Delivery adress: Roslagsv?gen 30B > > _______________________________________________ > Bioconductor mailing list > Bioconductor@stat.math.ethz.ch > https://www.stat.math.ethz.ch/mailman/listinfo/bioconductor > > _______________________________________________ > Bioconductor mailing list > Bioconductor@stat.math.ethz.ch > https://www.stat.math.ethz.ch/mailman/listinfo/bioconductor >