Hi > Hi, > > Thank you. I actually wanted to reserve the rows, I dont know how to > do this with > dim(mm) <-NULL
I do not understand. What does it mean reserve rows. Matrix is a vector with dimension so you can change dimensions freely with dim(mm) <- any suitable combination dim(mm) <-NULL gives you plain vector dim(mm) <- c(rows, columns) gives you now matrix with specified number of rows and columns. You can put columns to 1 and in that case you will get one column matrix. Please provide some toy example what do you really want. Regards Petr > > thanks again > > > On 2/27/12, Petr PIKAL <petr.pi...@precheza.cz> wrote: > > Hi > >> > >> Dear all, > >> > >> Newbie: What is the fastest way to combine all columns of a matrix to > > one > >> column? > > > > If mm is your matrix use > > > > dim(mm) <-NULL > > > > Regards > > Petr > > > > > >> > >> -- > >> View this message in context: http://r.789695.n4.nabble.com/What-is-the- > >> > > fastest-way-to-combine-all-columns-of-a-matrix-to-one-column- > tp4423882p4423882.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. > > > > ______________________________________________ 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.