Re: [R] silently testing for data from another package for .Rd examples

2011-08-24 Thread Michael Friendly
On 8/24/2011 12:40 PM, Uwe Ligges wrote: Actually it is recommended to test for the availability of a valid package with find.package(), particularly in this case where the name of the package is already know. Best, Uwe Thanks. So I guess the idiom I'm looking for is > length((find.package(

Re: [R] silently testing for data from another package for .Rd examples

2011-08-24 Thread Uwe Ligges
Actually it is recommended to test for the availability of a valid package with find.package(), particularly in this case where the name of the package is already know. Best, Uwe On 24.08.2011 18:29, Yihui Xie wrote: .packages(all = TRUE) will give you a list of all available packages witho

Re: [R] silently testing for data from another package for .Rd examples

2011-08-24 Thread Yihui Xie
.packages(all = TRUE) will give you a list of all available packages without really loading them like require(). Regards, Yihui -- Yihui Xie Phone: 515-294-2465 Web: http://yihui.name Department of Statistics, Iowa State University 2215 Snedecor Hall, Ames, IA On Wed, Aug 24, 2011 at 9:28 AM,