[R] Fwd: Concatenation?

[Gerrit Eichner]

[I forgot to keep it on the list.]

-------- Weitergeleitete Nachricht --------
Betreff: Re: [R] Concatenation?
Datum: Wed, 17 Feb 2021 22:14:13 +0100
Von: Gerrit Eichner <gerrit.eichner using math.uni-giessen.de>
Organisation: JLU Gießen
An: Parkhurst, David <parkhurs using indiana.edu>

Hi David,

checkout, e. g., base-R's

paste0(site, depth)

or, if stored as columns of a matrix or data frame X, e.g.,

apply(X, 1, paste0)

or, e.g., tidyr's

unite.

  Hth  --  Gerrit

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Am 17.02.2021 um 22:09 schrieb Parkhurst, David:
> If I have a vector of site abbreviations and a vector of depths in those water bodies, is there a simple way in R to combine them to make a third vector?
> Examples:
> 
> site	depth		desired
> MU	0		MU0
> MU	1		MU1
> MU	2		MU2
> MC	0		MC0
> MC	1		MC1
> MC	2		MC2
> 
> The dataset has many more lines than this.  I can see how to do this with lots of if statements, but does R have magic that can make it happen easily?  I guess this would be called concatenation.
> 
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