the vectors in you first example look like a long character string since I only see quote marks at the beginning and end and notbon the individual objects, but it is hard to tell since it appears to be in HTML.
Sent from my iPad On Dec 4, 2013, at 1:52, "snow" <[email protected]> wrote: > I'm a beginner with R. > > I have two vectors in character format. I tried to get the intersection of > these two vectors using intersect����. But there is no result. The process is > below: >> a<-c("CREB2�� ,��ELK1�� ,��ELK4�� ,��MYC�� ,��NR4A1�� ,��FOS�� ,��SRF�� >> ,��TAU�� ,��STMN1�� ,��CPLA2")> a[1] "CREB2�� ,��ELK1�� ,��ELK4�� ,��MYC�� >> ,��NR4A1�� ,��FOS�� ,��SRF�� ,��TAU�� ,��STMN1�� ,��CPLA2"> >> b<-c("CAMK2��,��CPKC��,��CBL��,��STAT5A��,��FAK��,��ABL1��,��JUN��,��ELK1��,��MYC")> >> b[1] >> "CAMK2��,��CPKC��,��CBL��,��STAT5A��,��FAK��,��ABL1��,��JUN��,��ELK1��,��MYC"> >> intersect(a,b)character(0) > However when I tried intersect����with another two vectors, it works. The > example is like this: >> c<-c("a", "b", "e", "c", "e", "f")> c[1] "a" "b" "e" "c" "e" "f"> d<-c("a", >> "g", "f", "b", "e")> d[1] "a" "g" "f" "b" "e"> intersect(c,d)[1] "a" "b" "e" >> "f" > I think something must be wrong in my way with first two vectors(a,b). Could > anyone give me a kind help to tell me the reason for that? Thank you very > much. > > > > Hui Xue > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] 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. ______________________________________________ [email protected] 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.

