[R] When to quote a package name

From: Muenchen, Robert A (Bob) <muenchen_at_utk.edu>
Date: Mon, 10 Mar 2008 14:40:27 -0400

Dear HelpeRs,

I'm confused about the role of quotes around package names on the library and detach functions. Books on R use both approaches:




The help file for detach says "quoted or unquoted" and the help file for library says about the package, "the name of a package, given as a name or literal character string, or a character string, depending on whether character.only is FALSE (default) or TRUE)."

Are there conditions under which it matters? Which is best?


Bob Muenchen (pronounced Min'-chen),
Manager, Statistical Consulting Center
U of TN Office of Information Technology Stokely Management Center, Suite 200
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