How about the function which? ?which
On 10/17/05, Jonathan Williams <[EMAIL PROTECTED]> wrote: > Dear R helpers, > > I have a largish matrix (1300 x 1300) and I wish to find the row and column > numbers that identify particular elements whose values I know in advance > (for example, the row and column numbers for the maximum value of the > matrix). > > I have looked in the help manual and found the functions 'row' and 'col' for > finding the indices of a matrix. But, I can't figure out how to use them to > obtain the indices of the matrix element with maximum value, despite over an > hour of trying! > > Many thanks for your help, > > Jonathan Williams > > ______________________________________________ > [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 > -- Xiaohua Dai, Dr. -------------------------------------------------------------------------------- * Postdoctoral in elephant-tree ecosystem simulation --------------------------------------------------------------------------------- Centre for Systems Research, Durban Institute of Technology P.O.Box 953, Durban 4000, South Africa Tel: +27-31-2042737(O) Fax: +27-31-2042736(O) Mobile: +27-723682954 ______________________________________________ [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
