Hi,
name of the data.frame is assumed to be dt.
cnt.tmp <- strsplit(dt$Author, " ")
cnt <- sapply(cnt.tmp, length)
paper.cnt <- dt$Paper[cnt]
author <- unlist(cnt.tmp)
year <- dt$Year[cnt]
dt.new <- data.frame(Paper = paper.cnt, Author = author, Year = year)
HTH,
Dong-hyun Oh
On Aug 27, 2008, at 9:27 PM, Grant Gillis wrote:
Hello all and thanks in advance for any help or direction. I have
co-authorship data that looks like:
Paper Author Year
1 SmithKK JonesSD 2008
2 WallaceAR DarwinCA 1999
3 HawkingS 2003
I would like:
Paper Author Year
1 SmithKK 2008
1 JonesSD 2008
2 WallaceAR 1999
2 DarwinCA 1999
3 HawkingS 2003
Thanks for your patience with what is likely an easy question
<r-help@r-project.org>
[[alternative HTML version deleted]]
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
