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
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]