Please do RTFM.  Also try ?conflicts.

_ was the assignment operator, and is not a valid part of a name.
In recent versions you would have got a helpful warning ....

On Wed, 6 Aug 2003, Nicolaas Busscher wrote:

> i think i found my problem,
> when i define the function:
> nb_select_scale<-function(blue,bla) {
>   print(bla)
> }
> then the lda function results in an error in the scale function..
> hm.. did i "overload" an existing function?

That means  nb <- select <- scale <- function(....

-- 
Brian D. Ripley,                  [EMAIL PROTECTED]
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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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