[R] function to check if an object is present, and if not, load it from my hard drive

Uwe Ligges ligges at statistik.uni-dortmund.de
Fri May 5 17:50:22 CEST 2006

r user wrote:

> I want to check if an "object" (dataset, vector, etc)
> is “present”.  If it is present, I will do nothing. 
> If it is not present, I will load it from my hard
> drive.
> Is there function to determine if an object is
> present?

Guess its name: exists()

Uwe Ligges

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