[R-sig-eco] Capture data

[Drew Tyre]

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: atyre2 at unl.edu
http://snr.unl.edu/tyre
http://atyre2.github.io
ORCID: orcid.org/0000-0001-9736-641X


> -----Original Message-----
> From: R-sig-ecology [mailto:r-sig-ecology-bounces at r-project.org] On Behalf
> Of Allan Edelsparre
> Sent: Wednesday, February 08, 2017 2:43 PM
> To: r-sig-ecology at r-project.org
> 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]]
> 
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