On Fri, 2007-11-02 at 20:47 +0100, Gabriel Valiente wrote: > Deleting a row from a matrix turns it into a vector (and dim names > are lost) if the resulting matrix has only one row or column. For > instance: > > > x <- matrix(1:10, ncol=2) > > x <- x[1,] > > turns x into > > [1] 1 6 > > instead of > > [,1] [,2] > [1,] 1 6 > > Is there any way to force the result to remain a matrix, even if it > has only one row or column, or even only one entry? Thanks, > > Gabriel
See R FAQ 7.5 Why do my matrices lose dimensions? http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-do-my-matrices-lose-dimensions_003f HTH, Marc Schwartz ______________________________________________ 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.