strsplit question
On Oct 12, 2011, at 1:20 AM, Erin Hodgess 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?
> sub("\\-.*$", "", c("5600-5699", "6100-6199", "9700-9799",
"9400-9499", "8300-8399") )
[1] "5600" "6100" "9700" "9400" "8300"
David Winsemius, MD West Hartford, CT