You could try expand.grid -- you'd prob need to modify what's beneath *a=c(0,1,2)*
*b=c(0,1)* *c=c(0,1)* *y<-list()* *y[[1]]<-a* *y[[2]]<-b* *y[[3]]<-c* *expand.grid(y)* This code gives all combinations On 9 June 2015 at 10:11, Thomas Chesney <thomas.ches...@nottingham.ac.uk> wrote: > Does anyone know of a function that will return all unordered combinations > of n elements from a list with repetition? > > The combs function in caTools will do this without repetition: > > combs(1:2, 2) > > [,1] [,2] > [1,] 1 2 > > What I'd like is: > > 1 1 > 1 2 > 2 2 > > Thank you, > > Thomas Chesney > > > > This message and any attachment are intended solely for the addressee > and may contain confidential information. If you have received this > message in error, please send it back to me, and immediately delete it. > > Please do not use, copy or disclose the information contained in this > message or in any attachment. Any views or opinions expressed by the > author of this email do not necessarily reflect the views of the > University of Nottingham. > > This message has been checked for viruses but the contents of an > attachment may still contain software viruses which could damage your > computer system, you are advised to perform your own checks. Email > communications with the University of Nottingham may be monitored as > permitted by UK legislation. > > ______________________________________________ > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.