Re: [R] filtering probesets with Bioconductor?

2011-11-22 Thread baumeist
Thank you for your help. Mark -- View this message in context: http://r.789695.n4.nabble.com/filtering-probesets-with-Bioconductor-tp4097747p4098101.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list http

[R] filtering probesets with Bioconductor?

2011-11-22 Thread baumeist
Hi, I am relatively new to R and Bioconductor and am trying to filter the topTable that I generated of differentially expressed genes from my normlized eset file comprised of ~ 40 HG-133A Affy microarrays . I would like to see if particular probesets are represented in this list. Alternatively I

[R] TCGA expression data: plotting ....

2011-10-06 Thread baumeist
Hi, I am new to R. I am trying to figure out how to graph expression data from the TCGA database. If I understand correctly the expression data I have downloaded is from a microarray using the AgilentG4502A. I've had trouble reading into R in the level I, level II, and the gene expression analysi

[R] adding labels to x,y points

2011-09-20 Thread baumeist
Hi, I am new to R. I have a matrix that I have assigned to the object “colon”. > colon<-read.table("c:\\alon.txt",header=T,row.names=1) attach(colon) names(colon) The dimenstions are 2000 62. Each of the 62 columns (titled norm1, norm2, norm3, etc) has 2000 different numbers (‘continuous’ va