On Sep 16, 2009, at 6:03 PM, Peng Yu wrote:
Hi, According to my understand of the description in R-intro, double quote and single quote are the same. Can somebody confirm if this is the case?
Not exactly. It might be more correct to say that matched double quotes are the "same as" matche single quotes. You cannot close an expression you started with a double-quote by using a single-quote:
> "test' + " [1] "test'\n" > 'test" + " + " + ' [1] "test\"\n\"\n\"\n" > -- David Winsemius, MD Heritage Laboratories West Hartford, CT ______________________________________________ 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.
