In that case add this:
unlockBinding("strucplot", as.environment("package:vcd"))
assign("strucplot", my.strucplot, "package:vcd")
On Sun, Aug 17, 2008 at 1:22 PM, Ben Bolker <[EMAIL PROTECTED]> wrote:
> Gabor Grothendieck <ggrothendieck <at> gmail.com> writes:
>
>>
>> Check out:
>>
>> ?assignInNamespace
>>
>> On Sun, Aug 17, 2008 at 12:42 PM, Michael Friendly wrote:
>> > I'm trying to test an extension of mosaic() from the vcd package that
>> > requires a change to the
>> > basic strucplot() function from that package. I want to test my change by
>> > sourcing the
>> > replacement function into my R session.
>> >
>
> Yes, but:
>
> from the note in ?assignInNamespace
>
> assignInNamespace and fixInNamespace change the copy in the namespace,
> but not any copies already exported from the namespace, in particular
> an object of that name in the package (if already attached) and any
> copies already imported into
> other namespaces. They are really intended to be used only
> for objects which are
> not exported from the namespace. They do attempt to alter
> a copy registered as
> an S3 method if one is found.
>
> So if strucplot is exported from the vcd namespace (which I guess
> it is), this won't work.
>
> When I ran into a similar situation recently I couldn't find any
> solution other than rebuilding the package with my changes.
>
> Ben Bolker
>
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