Hi marray users! How can I solve the following marray error message: Error in if is.int(totalPlate)) { : argument is of length zero -------------------- The script in R: > setwd("G:/Heidelberg") > hd.files<-dir() > hd.raw.marray <- read.GenePix(fnames = hd.files[1:3], path = NULL, name.Gf = "F532 Median", name.Gb ="B532 Median", name.Rf = "F635 Median", name.Rb = "B635 Median", name.W ="Flags", gnames = NULL, targets = NULL, skip=NULL, sep = "\t", quote = "\"") [1] 31 [1] "Reading P173_01.GPR" [1] 31 [1] "Reading P173_02.GPR" [1] 31 [1] "Reading P174_01.GPR" > hd.normalized.marray<-maNormMain(hd.raw.marray, f.loc=list(maNormLoess()), f.scale=list(maNormMAD()), a.loc=maCompNormEq(), a.scale=maCompNormEq(), Mloc=FALSE, Mscale=FALSE, echo=TRUE) Normalizing array 1. Error in if is.int(totalPlate)) { : argument is of length zero Thanks Balazs Gy?rffy

Hello, Thanks for your answers for my previous question. Now I'm trying to use the SAM procedure. I known that in Excel it is possible to perform a "censored survival data" analysis but I've noticed nothing similar in R. Does this kind of study exist? Thanks in advance for your answers. Regards, Willy