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.
