On 10/6/2010 6:14 PM, David Winsemius wrote:

Graphics: I realize you were focusing on "language" but the graphical tools are extremely important if one is describing how data exploration and summarization is done effectively.

Well, I'm focusing on the language features that make it easy or hard to draw a standard sort of graph (controlling details) or to design a new kind of graph. Base graphics, grid + lattice, ggplot all have
strengths (and weaknesses) I'm thinking about.

Replying to Bert Gunter: Yes, I agree that the formula language for lm/glm and friends, plus extensions to other aspects (plots, tables, etc.) is another important R feature of
the type I'm considering.  I would put this in the top 5!

-Michael

--
Michael Friendly     Email: frien...@yorku.ca
Professor, Psychology Dept.
York University      Voice: 416 736-5115 x66249 Fax: 416 736-5814
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