Inline ... On Thu, May 31, 2012 at 9:09 AM, Kjetil Halvorsen <kjetilbrinchmannhalvor...@gmail.com> wrote: > If you want an helpful answer, you must describe your real problem > MUCH better! This is way too confused.
Absolutely! -- But we certainly can say: > > Kjetil > > On Thu, May 31, 2012 at 7:37 AM, <nata...@orchidpharma.com> wrote: >> >> Dear R-list members, >> >> I have a matrix with non-numeric variables in it and I have to optimize the >> variables of the matrix in a formula using optim routine of the stats4 >> package. I know the matrix can only take numeric data -- This statement is false. A matrix can contain data of only one type -- no mixing -- but the type can be non-numeric, character for instance. However, as Kjetil said, your post is basically incoherent, so it is unlikely that you'll get any help here unless you post something that makes some sense. -- Bert -- Bert and so I would like to know how to store non-numeric variables inside a matrix. >> >> Say for example: The 3X3 matrix is 0.05V1+V2 0.31V1 0.05V1 >> 0.31V1 0.3V1+V2 >> 0.5V1 0.05V1 0.5V1 >> 0.1V1+V2 >> >> The matrix is only for an example and the real matrix that I want to use is >> a 15X15 matrix ,here I would like to optimize the values of V1 and V2 using >> a formula. >> >> Could you please help me how to go about to represent the matrix in R. >> >> Thanks in advance! >> >> B.Nataraj >> >> ______________________________________________ >> 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.
