HI, Try this: Hi, Try this: #For your first question: dotchart(a[rev(order(rownames(a))),],main="Dotchart",xlim=c(0,50))
#For your second question: dotchart(a[rev(order(rownames(a))),rev(1:ncol(a))],main="Dotchart",xlim=c(0,50)) A.K. ----- Original Message ----- From: Zenonn87 <zsolt.tar...@hotmail.com> To: r-help@r-project.org Cc: Sent: Friday, October 12, 2012 4:38 PM Subject: [R] dotchart ordering problem I'm having an sorting problem in dotchart. I want to change the order of the BA in groups to AB, but I haven't found any solution yet. What should I do? And what if I want to change the groups order as well? At the bottom from Conrol up to 10 mg/L on the top. Thank you! x = c(39, 23, 23, 35, 30, 26, 30, 30, 29, 29, 26, 29, 34, 33) y = c("Control", "DMSO", "0,1 mg/L", "0,3 mg/L", "1 mg/L", "3 mg/L", "10 mg/L") a = matrix(data= x, nrow=2) rownames(a) = c("A","B"); colnames(a) = y a dotchart(a, main="Dotchart", xlim=c(0,50)) <http://r.789695.n4.nabble.com/file/n4646038/dotchart.jpg> -- View this message in context: http://r.789695.n4.nabble.com/dotchart-ordering-problem-tp4646038.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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. ______________________________________________ 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.