TY Ivan select <- l[which(l==x):which(l==y)] returns the correct result.
> -----Original Message----- > From: [email protected] [mailto:r-help-boun...@r- > project.org] On Behalf Of Ivan Calandra > Sent: Friday, May 21, 2010 11:20 AM > To: [email protected] > Subject: Re: [R] select elements in a list > > Hi, > > This should work: > select <- l[which(l==x):which(l==y)] > > The problem is that you tried to select the values, but gave x and y as > indexes. That's why you didn't get the expected result. > > See ?which for more info. > > HTH, > Ivan > > Le 5/21/2010 11:07, arnaud Gaboury a écrit : > > Dear group, > > > > Here is a list : > > > > l<- > > list("100415", "100416", "100419", "100420", "100421", "100422", > > "100423", "100426", "100427", "100428", "100429", "100430", > > "100503", "100504", "100505", "100506", "100507", "100510", > > "100511", "100512", "100513") > > > > I need to access part of it with two variables, x and y. For example, > if > > x<-100415 et y<-100420, the result I want is > 100415,100416,100419,100420. > > The object "l" is a list, but can be of any other kind if it can > help. > > > > I tried something like this : > > > >> select<-l[c(x:y)] > >> > > But it doesn't return the needed result > > > > Any help would be appreciated > > > > *************************** > > Arnaud Gaboury > > Mobile: +41 79 392 79 56 > > BBM: 255B488F > > > > ______________________________________________ > > [email protected] 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. > > > > > > -- > Ivan CALANDRA > PhD Student > University of Hamburg > Biozentrum Grindel und Zoologisches Museum > Abt. Säugetiere > Martin-Luther-King-Platz 3 > D-20146 Hamburg, GERMANY > +49(0)40 42838 6231 > [email protected] > > ********** > http://www.for771.uni-bonn.de > http://webapp5.rrz.uni-hamburg.de/mammals/eng/mitarbeiter.php > > ______________________________________________ > [email protected] 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. ______________________________________________ [email protected] 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.
