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3b5742ee
2007 Jan 24
1
how to properly extend s3 data.frames with s4 classes?
Dear R Programmers!
After some time of using R I decided to work through John Chambers book
"Programming with Data" to learn what these S4 classes are all about and
how they work in R. (I regret not having picked up this rather fine book
earlier!)
I know from the documentation and the mailing archives that S4 in R is
not 100% the book and that there are issues especially with