On 27 Sep 2007, at 5:11 pm, Peter Dalgaard wrote:
> There was a competition in 2004, and this is the display that won.
Thanks for clearing that up.
> It was deliberately designed as a "show-off" for the home page, and as
> such, I don't think it can be the same sort of graphic that you'd use
> for real analysis. It does have the nice feature of displaying results
> of simple, yet non-trivial statistical analyses (PCA, clustering)
> without requiring a lengthy explanation.
Do you really think of PCA and clustering as "statistical" analyses?
And anyway, surely it's a factor analysis not PCA? Perhaps lengthy
explanations are needed after all. I would need an explanation for
the curious plots lower right. It's probably due to my sheltered
upbringing, as I was always taught to keep factor analyses at a
respectable distance.
I liked Hadley's comment. It struck me as fortun(at)e.
Antony
Antony Unwin
Professor of Computer-Oriented Statistics and Data Analysis,
Mathematics Institute,
University of Augsburg,
86135 Augsburg, Germany
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