[R] Detect the presence of an object

[Paulo Justiniano Ribeiro Jr]

try the function exists()

On Fri, 30 Jan 2004, Francisco J Molina wrote:

>
> Is there a  function like "is.there" such that
>
> is.there ( a ) returns TRUE is object 'a' is in the current environment and
> FALSE otherwise?
>
> Thank you.
> Francisco J. Molina
>
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Paulo Justiniano Ribeiro Jr
Departamento de Estatística
Universidade Federal do Paraná
Caixa Postal 19.081
CEP 81.531-990
Curitiba, PR  -  Brasil
Tel: (+55) 41 361 3471
Fax: (+55) 41 361 3141
e-mail: pj at est.ufpr.br
http://www.est.ufpr.br/~paulojus