On Thu, 24-Sep-2015 at 12:38PM +0200, peter dalgaard wrote:
|>
|> On 24 Sep 2015, at 12:05 , Thierry Onkelinx <thierry.onkel...@inbo.be> wrote:
|>
|> > gsub("[A|K]\\|", "", x)
|>
|> That'll probably do it, but what was the point of the | in [A|K] ??
|> I don't think it does what I think you think it does...
|> Somewhat safer, maybe:
|>
|> gsub("\\|[AK]\\|","\\|", x)
|>
|> (avoids surprises from, say, "LBAM 5|A|15A|3h")
Thanks for that suggestion. Very simple now.
|>
|> -pd
|>
|> > [snip]
|> > 2015-09-24 11:52 GMT+02:00 Patrick Connolly <p_conno...@slingshot.co.nz>:
|> >
|> >> I need to change a vector dd that looks like this:
|> >> c("LBAM 5|A|15C|3h", "LBAM 5|K|15C|2h")
|> >>
|> >> into this:
|> >> c("LBAM 5|15C|3h", "LBAM 5|15C|2h")
|> >>
|> >> It's not very imaginative, but I could use a complicated nesting of
|> >> gsub() as so:
|> >>
|> >> gsub("-", "\\|", gsub("K-", "", gsub("A-", "", gsub("\\|", "-", dd))))
|> >>
|> >> Or I could make it a bit more readable by using interim objects,
|> >>
|> >> But I'd prefer to use a single regular expression that can detect "A|"
|> >> *and* "K|" without collateral damage from the impact of special
|> >> characters and regular characters.
|> >>
|>
|> --
|> Peter Dalgaard, Professor,
|> Center for Statistics, Copenhagen Business School
|> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
|> Phone: (+45)38153501
|> Office: A 4.23
|> Email: pd....@cbs.dk Priv: pda...@gmail.com
|>
|>
|>
|>
|>
|>
|>
|>
|>
--
~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.
___ Patrick Connolly
{~._.~} Great minds discuss ideas
_( Y )_ Average minds discuss events
(:_~*~_:) Small minds discuss people
(_)-(_) ..... Eleanor Roosevelt
~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.
______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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.
