[SI-LIST] Re: DesignCon quote

I found a slightly different citation on WikiQuote, which suggests
George Box and Norman Draper had two phrasings in their book Empirical
Model-Building and Response Surfaces (Wiley 1987):

        "Remember that all models are wrong; the practical question is how 
        wrong do they have to be to not be useful."

        "Essentially, all models are wrong, but some are useful."

I don't have a copy of this book to confirm the citation, but it seems
like most folks cite Box as the originator of the quote in this
general timeframe (late-80's).

Wherever it came from, I like it...

Pat

> 
> "All models are wrong; some models are useful" is attributed 
> to W. Edwards
> Deming.  I have no specific citation but it's been in use for 
> years now.
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