On 27/02/2010 6:15 PM, Joris Meys wrote:
Thank you both for your answers.

On Fri, Feb 26, 2010 at 7:58 PM, Duncan Murdoch <murd...@stats.uwo.ca>wrote:

You aren't seeing the print method, you are seeing a newly created print
generic function.  As Uwe mentioned, print() is not an S4 generic, so when
you create your print method, a new S4 generic also gets created.  You
should be using show(), which will be called by print() when necessary.

When you say "clear the memory", I'm not sure what you have in mind, but S4
methods are not stored in your workspace, so rm(list=ls()) won't delete
them.  You need removeMethod() to get rid of a method.

Duncan Murdoch


What I meant with "clear the memory" is exactly rm(list=ls()). I use the
same analysis on different rather big datasets, so I have to make some space
once in a while. To lose the "print" generic (thx for the correction) every
time I considered highly inconvenient. I'll use the show method, thank you
both for the tip.

Do I understand it right that every generic I define in a normal scriptfile
is saved in the workspace, and thus can be removed with rm() ?

I think so if you do it in the normal way. It's possible to create them elsewhere, so "every generic" might not mean every generic.

Duncan Murdoch

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