Allan If TrapID occurs in both datasets you can put them together regardless of order using base::merge() or dplyr::left_join().
-- Drew Tyre School of Natural Resources University of Nebraska-Lincoln 416 Hardin Hall, East Campus 3310 Holdrege Street Lincoln, NE 68583-0974 phone: +1 402 472 4054 fax: +1 402 472 2946 email: [email protected] http://snr.unl.edu/tyre http://atyre2.github.io ORCID: orcid.org/0000-0001-9736-641X > -----Original Message----- > From: R-sig-ecology [mailto:[email protected]] On Behalf > Of Allan Edelsparre > Sent: Wednesday, February 08, 2017 2:43 PM > To: [email protected] > Subject: [R-sig-eco] Capture data > > Hi all, > > I have two data sets I want to merge. One has a vector with trap IDs and the > vector from the other data set has the number of individuals captured at > each trap site. I need to reverse the trap ID's within the trap ID vector in > order to match the number trapped. Here is an example of how the vector > looks like: > > TrapID > A01 > B01 > C01 > A02 > B02 > C02 > A03 > B03 > C03 > > I need the vector to look like this > > C01 > B01 > A01 > C02 > B02 > A02 > C03 > B03 > A03 > > I can do the first chunk using this code: > > rev(TrapID[seq(1, 3)]) > > I've tried several versions of this code including doing a for loop where I > ran > each sequence through, but it never worked. Any thoughts as to how I can > do the reversal of a sequence within my vector??? > > Allan > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-ecology mailing list > [email protected] > https://stat.ethz.ch/mailman/listinfo/r-sig-ecology _______________________________________________ R-sig-ecology mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-ecology
