I think your solution is more comfortable. But what do you do if an new entry consists of 4 children? How can you modify the old result of rbind()? Is ther a possibility to save the childrens ages in one table entry?
Thanks, Corinna -----Ursprüngliche Nachricht----- Von: Dimitris Rizopoulos [mailto:[EMAIL PROTECTED] Gesendet: Montag, 26. März 2007 15:38 An: Schmitt, Corinna Cc: r-help@stat.math.ethz.ch Betreff: Re: [R] Listing function maybe it'd be better to use a data.frame(), e.g., dat <- data.frame(name = I("Fred"), wife = I("Mary"), no.children = 3, cild.ages1 = 4, cild.ages2 = 7, cild.ages3 = 9) ############## new.info <- c(name = "Barney", wife = "Liz", no.children=2, cild.ages1 = 3, cild.ages2 = 5, cild.ages3 = NA) rbind(dat, new.info) I hope it helps. Best, Dimitris ---- Dimitris Rizopoulos Ph.D. Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/(0)16/336899 Fax: +32/(0)16/337015 Web: http://med.kuleuven.be/biostat/ http://www.student.kuleuven.be/~m0390867/dimitris.htm ----- Original Message ----- From: "Schmitt, Corinna" <[EMAIL PROTECTED]> To: <r-help@stat.math.ethz.ch> Sent: Monday, March 26, 2007 3:26 PM Subject: [R] Listing function > Hallo, > > I build a list by the following way: > > Lst = list(name="Fred", wife="Mary", no.children=3, > cild.ages=c(4,7,9)) > > I know how I can extract the information one by one. But now I want > to > add a new entry which looks like > > name="Barney", wife="Liz", no.children=2, cild.ages=c(3,5) > > How can I add this information to Lst without overwriting the first > entry? > How can I then extract the corresponding information if I have both > entries in Lst? > > Thanks for helping, > > Corinna > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm ______________________________________________ R-help@stat.math.ethz.ch 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.