Hi Duncan: I'm curious about the environment setting. ?eval says:
"If envir is not specified, then the default is parent.frame() (the environment where the call to eval was made). " So what's the difference between set envir=parent.frame() or not? Thank you. Wu ----- A R learner. -- View this message in context: http://r.789695.n4.nabble.com/transfer-string-to-expression-tp3021453p3021487.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.
