1. Please read and follow the posting guide. 2. Reproducible example? (... at least I don't understand what you mean)
3. Plain text, not HTML. Cheers, Bert Bert Gunter "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." -- Clifford Stoll On Mon, Jun 1, 2015 at 6:46 AM, carol white via R-help <r-help@r-project.org > wrote: > Hi,By default the merge function should take the intersection of column > names (if this is understood from by = intersect(names(x), names(y)), but > it takes all columns. How to specify the intersection of column names? > Thanks > Carol > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
