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anyclass
2004 May 21
0
Failure to preserve package attribute when coercing S4 objects (PR#6904)
...he exact identity
of the class, including the package attribute.
This can clearly be worked around by the introduction of dummy slots, but it
took me some time to track down.
> setClass("baseClass",representation(a="numeric"))
[1] "baseClass"
> setClass("fancyClass",contains="baseClass")
[1] "fancyClass"
>
setClass("fancyClassExtraSlots",representation(b="numeric"),contains="baseCl
ass")
[1] "fancyClassExtraSlots"
>
>
> aFP <- new("fancyClass",a=2)
> aFP2 <- new(...