Hi , i have a vector A=(a1,a2,a3,a4) and i want to create another vector B=(a1,a1,a2,a2,a3,a3,a4,a4) !!! i know that it is simple but i begin with R so i nned your help!!
thank you for your help !!! [[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.