Dear ALL I don't know why I can see this error in run this sentences.
In paste("V", 1L:cols, sep = "") : NAs introduced by coercion DATA<-read.delim ("D:\\DATA\\GeneExpression.txt",header=FALSE) I will be glad if you help me. Best Regards, Stat Consult [[alternative HTML version deleted]] ______________________________________________ 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.