To clarify: So if in data frame A you have
Tdate symbol TA 12/12/12 AX 123 12/11/12 ZZ A4R 12/12/12 WQ B8R Data frame B Tdate symbol TA 12/12/12 AX 123 12/11/12 ZZ A4R I want to end up w/ Tdate symbol TA 12/12/12 WQ B8R All obs not in B -- View this message in context: http://r.789695.n4.nabble.com/how-to-merge-2-data-frame-if-you-want-to-exclude-mutual-obs-tp4666975p4666979.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.
