This is one way to do it. a = 1 b = 2 c = parse(text = "log(a + b)") eval(c)
Hope this helps. Cheers, On 27/11/2011 11:16 a.m., Victor wrote:
I would like to make a string executable, e.g, s<- "ln(a+b)" a<-1 b<-2 ???? execute string s to obtain ln(a+b) ???? How can I make it? Ciao fron Rome Vittorio ______________________________________________ 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.
