Hi Jim, you could try this:
mat <- matrix(sample(1:25), 5, 5) mat row(mat)[mat==max(mat)] col(mat)[mat==max(mat)] I hope it helps. Best, Dimitris ---- Dimitris Rizopoulos Doctoral Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/16/396887 Fax: +32/16/337015 Web: http://www.med.kuleuven.ac.be/biostat/ http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm ----- Original Message ----- From: "Jim Gustafsson" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, August 25, 2004 11:07 AM Subject: [R] R-help > > Dear R users, > > I have just start working with R and would need some help. > > If you have a matrix as: > > > [,1] [,2] [,3] > [1,] 11 24 11 > [2,] 16 29 16 > [3,] 2 15 2 > > and you want the position where you can find the maximum value, in this > case row 2 and column 2. > How could you get the position? > > The values in the matrix is likelihood function values, and each row and > column represent values from two parameters. So the idea is to seek which > parameter values maximise the likelihood and therefore I need boot row and > column position. > > Regards Jim > > > -------------------------------------------------------------------- ---------- > This e-mail and any attachment may be confidential and may also be privileged. > If you are not the intended recipient, please notify us immediately and then > delete this e-mail and any attachment without retaining copies or disclosing > the contents thereof to any other person. > Thank you. > -------------------------------------------------------------------- ---------- > [[alternative HTML version deleted]] > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html