Monday, August 30, 2010

Sentences to ponder

We always talk about a model being "useful" but the concept is hard to quantify.


-- Andrew Gelman

This really does match my experience. We talk about the idea that "all models are wrong but some models are useful" all of the time in Epidemiology. But it's rather tricky to actually define this quantity of "useful" in a rigorous way.

No comments:

Post a Comment