myArray[, 'z'] <- myArray[, 'z'] + b Is this what you want?
On Sat, Mar 7, 2009 at 9:52 AM, David1234 <danielth...@web.de> wrote: > > Hi everyone, > > Im quite new to R an I have the following Question: > > > I would like to define Variables which I can add and multiply etc. and that > R can simplyfy the terms. > > The variables should stand for integers. > For example I would like to have an entry in an array with variable z > and if I add b+z the field should now contain 2z+b. Or if the field > contains 1 and I add z the field should contain 1+z. > > How can I solve this problem? > > I tried to set z=integer and then for example matrix[1,1]=i > But this does only work if I assign a value for z first. > > I am very grateful for any help. > > > Thank you very much! > > David > -- > View this message in context: > http://www.nabble.com/Question-on-Variables-tp22388117p22388117.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.