On Nov 10, 2007 2:49 PM, affy snp <[EMAIL PROTECTED]> wrote: > My matrix looks like: > > > dim(CGH) > [1] 238304 243 > > CGH[1:30,1:4] > WM806SignalA WM1716SignalA WM1862SignalA WM1963SignalA > SNP_A-1909444 1.59 1.48 1.78 2.59 > SNP_A-2237149 2.24 1.87 1.95 2.04 > SNP_A-4303947 2.02 1.70 1.90 2.36 > SNP_A-2236359 2.58 2.06 1.87 2.15 > SNP_A-2205441 1.87 1.46 1.86 2.40 > > Even I tried log2(CGH[1:238304,1:243]), it did not work either. Based > on the error > message, which is: > > > CGHlog2<-log2(CGH[1:238304,1:243]) > Error in Math.data.frame(CGH[1:238304, 1:243]) : > non-numeric variable in data frame: > WM806SignalAWM1716SignalAWM1862SignalAWM1963SignalAWM1968SignalAWM1976SignalAWM3228SignalAWM3457SignalAWM3061SignalAWM3246SignalAWM3282SignalAWM1931SignalAWM1026SignalAWM3670SignalAWM3702SignalAWM3482SignalAWM3311SignalAWM1960SignalAWM1720SignalAWM3215SignalAWM3451SignalAWM3130SignalAWM2029SignalAWM3243NCI.A5SignalAWM1745SignalAWM3526SignalAWM3682SignalAWM3623SignalAWM3450SignalAWM853.2SignalAWM1930SignalAWM3244NCI.BSignalAWM984SignalAWM3619SignalAWM3297SignalAWM451LuSignalAWM3077SignalAWM3381ASignalAWM3627SignalAWM3218SignalAWM3163SignalAWM3259SignalAWM3506SignalAWM3629SignalAWM3456SignalAWM1346SignalAWM1852SignalARCC13NSignalAJAPOV46NSignalAJAPOV75NSignalAS004285NSignalARCC50NSignalAJAPOV54NSignalAJAPOV92NSignalARCC56NSignalAS004288NSignalAS004295NSignalAS004292NSignalAJAPOV73NSignalAJAPOV52NSignalARCC53NSignalAS004289NSignalARCC25NSignalAS004294NSignalAS004275NSignalAJAPOV32NSignalACN37SignalACN16SignalAS004291NSignalACN17SignalARCC129NS > > it seems that the column names was messed up. How to solve this?
The first column is not numeric, I guess. That is the problem. Paul ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
