[R] R sub query
Petr PIKAL
petr.pikal at precheza.cz
Mon Jul 2 15:09:04 CEST 2012
Hi
I am not at all an expert in regular expressions but
gsub("^[[:punct:]]+[[:digit:]]+:", "",m)
does the output you want. Maybe by chance :-)
Regards
Petr
>
> Hello,
> I would like to substitute a substring of characters defined by a
specific
> start and end sequence.
> i.e. in the example matrix below, I would like to substitute ".:X:" with
> "", where X varies in sequence...
>
> m<-matrix(c(".:0:0,0", ".:2:0,2", ".:194:193,1", ".:56:0,56",
".:58:50,8",
> ".:13:0,13", ".:114:114,0", ".:75:75,0"), nrow=2)
>
> output required:
> [,1] [,2] [,3] [,4]
> [1,] "0,0" "193,1" "50,8" "114,0"
> [2,] "0,2" "0,56" "0,13" "75,0"
>
> Thank you for any help
> Sarah
> [[alternative HTML version deleted]]
>
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