Yes, that works perfectly. Thank you for your help! Derek
Charilaos Skiadas-3 wrote: > > Hi Derek, > On Dec 23, 2007, at 10:59 PM, dxc13 wrote: > >> >> useR's, >> >> I have used expand.grid() several times and like the results it >> gives me. I >> am now trying something with it that I have not been able to get to >> work. >> For any n column matrix I would like to run this function on those >> n columns >> and store the results. >> For example, if my matrix has 1 column then this is just expand.grid >> (x = >> column1). If my matrix has two columns, then I want expand.grid(x = >> column1, y = column2), and so on for any number of columns... >> > > Does this do what you want (x is the matrix)? > > do.call(expand.grid, as.data.frame(x)) > > >> In a program I am writing, the user can specify any matrix. Does >> anyone >> know of a way for R to calculate this based on what the input >> matrix is? >> e.g. if this user gives a 3 column matrix, I want to be able to >> perform >> expand.grid() on these 3 columns without having to hard code it b/c >> I want >> to have this small function embedded in my code and the results >> stored as a >> variable. >> >> If this isn't clear, I can try to be more detailed. Thank you for any >> thoughts. >> >> Derek > > Haris Skiadas > Department of Mathematics and Computer Science > Hanover College > > ______________________________________________ > 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. > > -- View this message in context: http://www.nabble.com/expand.grid-function-tp14484403p14484572.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
