baselines
2 free lessons tagged baselines across AI, Business. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.
What Machine Learning Does: Learning a Function From Examples
Machine learning replaces hand-written rules with a function fitted to examples. Learn the supervised setup, what a loss function measures, how a linear regression is actually fitted, why a baseline comes first, and when a problem is better solved without machine learning at all.
Measuring AI ROI: From Pilot to P&L
Most AI ROI claims are marketing, not measurement. This lesson builds a rigorous framework: how to set baselines and counterfactuals, why RCTs beat vendor case studies, the real cost components of AI deployment, and how to avoid the attribution traps that make bad investments look good on paper.

