Hi Olivier, is this what you want?
x="col1 col2 1 0.1 1.1 2 0.2 1.2" m=read.table(textConnection(x),header=TRUE) m1=matrix(unlist(m),ncol=2) m1 [,1] [,2] [1,] 0.1 1.1 [2,] 0.2 1.2 HTH, Jorge On Thu, Apr 24, 2008 at 6:02 PM, Olivier Lefevre <[EMAIL PROTECTED]> wrote: > Another possibly simple thing that I cannot get right is how to extract the > data part of a list as a matrix. The data were read from xls, with labels, > and thus are of list mode, e.g., > > col1 col2 > 1 0.1 1.1 > 2 0.2 1.2 > > I want to extract from that just the numeric data part, i.e., (in this > case) the same thing that matrix(c(0.1, 0.2, 1.1, 1.2), 2, 2) would return. > I am grasping for a syntax like list[[1:2]] but that doesn't work and I > can't find anything that does. > > Thanks, > > -- O.L. > > ______________________________________________ > 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. [[alternative HTML version deleted]] ______________________________________________ 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.
