Noah Silverman wrote: > > Hi, > > I'm working on coding some more complex things in R and have need to break > much of the logic into functions. > > I have several "global" variables that I want to change with a given > function. (The variable has a different value after the function is > called.) > > In other languages like C, this is simple. However, in R, if a function > changes a variable, that change only occurs in the frame of that function. > So, when the function returns, the old value is still there. > > Of course, I could just have the function return the value, but some > functions change 5-6 variables. So, I could have a function return a > list, and then parse that list every time, but that seems like an > excessive amount of overhead. (Especially as some functions may be called > many many times.) >
Maybe this helps ?`<<-` Berend -- View this message in context: http://r.789695.n4.nabble.com/Variable-scope-in-functions-best-practices-tp3690026p3690416.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.
