Re: [R] request if a variable is defined

Bingo! See ?exists G. On Tue, Mar 04, 2008 at 04:38:31PM +0100, Paul Hammer wrote: > hi members, > > give it a function for requesting if a object, matrix, vector, variable > or whatever already exists? > > e.g. if (*exists*(a) {print("yes") } else { print("no") } > > thanks > paul > >

[R] request if a variable is defined

hi members, give it a function for requesting if a object, matrix, vector, variable or whatever already exists? e.g. if (*exists*(a) {print("yes") } else { print("no") } thanks paul [[alternative HTML version deleted]] __ R-help@r-project.or