sapply(strsplit(Block[1:5],"-"), function (x) {x[1]})
comes to mind...
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Sent from my phone. Please excuse my brevity.
Erin Hodgess <erinm.hodg...@gmail.com> wrote:
Dear R People:
I have the following set of data
> Block[1:5]
[1] "5600-5699" "6100-6199" "9700-9799" "9400-9499" "8300-8399"
and I want to split at the -
> strsplit(Block[1:5],"-")
[[1]]
[1] "5600" "5699"
[[2]]
[1] "6100" "6199"
[[3]]
[1] "9700" "9799"
[[4]]
[1] "9400" "9499"
[[5]]
[1] "8300" "8399"
>
What is the best way to extract the pieces that are to the left of the
dash, please?
Thanks,
Erin
--
Erin Hodgess
Associate Professor
Department of Computer and Mathematical Sciences
University of Houston - Downtown
mailto: erinm.hodg...@gmail.com
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and provide commented, minimal, self-contained, reproducible code.
