Agreed. What Petr Pikal wrote, works exactly, so thank you all! Best, Markku
> It would be helpful if you could be more specific of what exactly > you'd like to compute. Have a look also at the posting guide available > at: > > http://www.R-project.org/posting-guide.html > > > Best, > Dimitris > > ---- > Dimitris Rizopoulos > Ph.D. Student > Biostatistical Centre > School of Public Health > Catholic University of Leuven > > Address: Kapucijnenvoer 35, Leuven, Belgium > Tel: +32/(0)16/336899 > Fax: +32/(0)16/337015 > Web: http://med.kuleuven.be/biostat/ > http://www.student.kuleuven.be/~m0390867/dimitris.htm > > > ----- Original Message ----- From: "Markku Karhunen" > <[EMAIL PROTECTED]> > To: <r-help@stat.math.ethz.ch> > Sent: Monday, April 16, 2007 2:52 PM > Subject: [R] Matrix manipulation > > >> Hi, >> >> This is a very basic question, but apparently I am too stupid for it. >> >> I have a large matrix A, and I need to avoid for loops. How could I >> apply a function f(a,r,c) on each element of A, using the subscript (row >> and column) of a as the other arguments? >> >> Thanks in advance, >> Markku Karhunen >> National Public Health Institute, >> Finland >> >> ______________________________________________ >> R-help@stat.math.ethz.ch 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. >> > > > Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm > ______________________________________________ R-help@stat.math.ethz.ch 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.