[R] Classes implemented in R and packages

[Prof Brian Ripley]

On Fri, 28 Sep 2001, [ISO-8859-1] José Ernesto Jardim wrote:

> Hi
>
> I'm writing some functions and I want to use some classes and related
> ploting methods.
>
> I want to know if there is a list of classes implemented in R and R
> packages. I want to be shure that I'm not going to implement a class
> with the same name as in other package.

That's impossible to know: there is not even a list of all R packages, and
the contents of those on CRAN changes a few hundred times a year.

It is not even possible to find the list of classes used by a single
package, as the class names can be generated dynamically by R code.

I suggest that if you call your class JoseErnestoJardim.foo you are
likely to be safe.  Well, that's overkill, but use a long descriptive
name to minimize the risk.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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