You have used A.4 and A.9 twice. Look at > nam # or > duplicated(nam)
>>> amor Gandhi <amorigan...@yahoo.de> 28/04/2009 13:04:03 >>> Hi everyone, *á I have got the following problem: *á x1 <- rnorm(10,5,1) x2 <- runif(10,0,1) nam1 <- paste("A",1:4,sep=".") nam2 <- paste("A",6:9,sep=".") nam <- c(nam1,"A.4",nam2,"A.9") mydata <- data.frame(x1,x2) rownames(mydata) <- nam Error in `row.names<-.data.frame`(`*tmp*`, value = c("A.1", "A.2", "A.3", : duplicate 'row.names' are not allowed In addition: Warning message: non-unique values when setting 'row.names': *ÇÿA.4*ÇÖ, *ÇÿA.9*ÇÖ *á I am very thankful for your help! *á Amor [[alternative HTML version deleted]] ******************************************************************* This email and any attachments are confidential. Any use...{{dropped:8}} ______________________________________________ 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.