2008/8/28 Yuan Jian <[EMAIL PROTECTED]>: > Hi, > > I try to add items to a vector, but when the it has existed, the item should > be skipped. > does anyone know how to do it a simple way?
You might be able to use unique(). Regards, Nicky Chorley ______________________________________________ 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.
