Message-ID: <m0g02mdglt.fsf@localhost.localdomain>
Date: 2002-03-27T00:00:46Z
From: Ross Darnell
Subject: Extracting the first element of a list
In-Reply-To: <F212EAHoxvbQaPCgGwe0001a971@hotmail.com>
Perhaps some kind person might show me the way to extract the first element of a list.
The example is
tmp <- c("A", "B C","BC D")
I want the first "word" from each of these elements, i.e. "A" ,"B" ,"BC"
strsplit(tmp," ") returns
[[1]]
[1] "A"
[[2]]
[1] "B" "C"
[[3]]
[1] "BC" "D"
I have had no success in trying to extract the first element.
Of course there may be another way to get the same result.
Thanks
Ross Darnell
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