[R] Concatenation?

pik@pp@@devei m@iii@g oii gm@ii@com pik@pp@@devei m@iii@g oii gm@ii@com
Wed Feb 17 22:22:53 CET 2021


How about paste?
site <- c('MU','MU','MU','MC','MC','MC')depth <-
c(0,1,2,0,1,2)paste(site, depth, sep="")
result:
[1] "MU0" "MU1" "MU2" "MC0" "MC1" "MC2"
On Wed, 2021-02-17 at 21:09 +0000, Parkhurst, David wrote:
> 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		desiredMU	0		MU0MU	1	
> 	MU1MU	2		MU2MC	0		MC0MC	1	
> 	MC1MC	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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