Unknown Known

There are the known knowns; there are things we know we know.  We also know there are known unknowns; that is to say we know there are some things we do not know.  But there are also unknown unknowns--there are things we do not know we don't know. --Donald Rumsfeld, Secretary of Defense under George... Continue Reading →

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The Follow Up: Interventions Often Need Interventions

There is no silver bullet.  Change requires tweaking and digging until you get to the bone.  Be ready; it's hard work. Last week I wrote some idea of looking at data, in part use counterfactual questions.  In a counterfactual assessment you prove what is wrong, because it is easier than proving what is right.  For... Continue Reading →

Too Many Cooks

I whipped this together while watching football. . And if you'd like a gentle poke in the ribs and good procedural mystery, try this: Absentee List: An Old Horse Mystery

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