Innovation IV

John Tukey said

efficiency = statistical efficiency x usage.

I don’t know the context of this quote, but here’s what I think Tukey meant. The usefulness of a statistical method depends not just on the method’s abstract virtues, but also on how often the method can be used and how often in fact it is used. This ties in with Michael Schrage’s comment that innovation is not what innovators do but what customers adopt.

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