[R] Need Advice: Considering Converting a Package from S3 to S4

[Ben Bolker]

library(fortunes)
fortune("S4")

Sean Davis: It got me going quickly with S4 methods, which it seems to me
are
the way to go in most cases.
Rolf Turner: If you want to simultaneously handcuff yourself, strap yourself
into a strait jacket, and tie yourself in knots, and moreover write code
which
is incomprehensible to the human mind, then S4 methods are indeed the way to
go.
   -- Sean Davis and Rolf Turner (expressing different views about the
benefits
      of S4 classes)
      R-help (May 2005)


   I will say that I have built a package using S4 classes and find it much
more
difficult to deal with debugging, etc. -- I can never remember the precise
incantation
to find out which methods are available and how to trace() them.  (And
documenting
them is harder too -- it's much easier to not-really-document S4 classes in
a package
and get away with it.)

  Ben Bolker

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