Re: [R] [BioC] colnames and get means for the columns with the same names

2006-11-06 Thread Davis, Sean \(NIH/NCI\) [E]
Hi, Weiwei. You probably want to look at a combination of merge() to combine your data with your conversion table followed by aggregate(). Read up on the help for those two functions and that should do it, if I understand what you want to do. However, keep in mind that averaging the

Re: [R] [BioC] colnames and get means for the columns with the same names

2006-11-06 Thread Weiwei Shi
hi, I played around with these two functions but did not get what i want. So I wrote a function by using a loop to do it and it is done in a reasonable time: system.time(t3 - iconix.convert(processed, 9, 7486, probes2llid.genego[,c(2,5)])) [1] 12.356 4.494 16.836 0.000 0.000 dim(t3) [1]