Doing more with less.
Notes on human–AI collaboration, tools for thought, and the craft of building leverage. A growing collection — some ideas are seeds, others evergreen.
Recent
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Enabling data-driven results
Integrating decision support systems into business processes — the building blocks of descriptive, predictive, and prescriptive systems, and why results happen in processes, not in the systems themselves.
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Artificial intelligence: a concise conceptual introduction
A conceptual map of artificial intelligence — from the definition of intelligence to the five abstraction layers of every machine learning solution.
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Multiple linear regression
Linear regression with several features in matrix form: the closed-form least-squares estimator derived and computed, the sampling distribution of the coefficients, and a from-scratch look at LASSO, ridge, and elastic-net regularization.